Home / 22,211.36-30,599.64-15,484.76

Finding the Fourth Proportional to 22,211.36, 30,599.64 and 15,484.76

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Solution

The fourth proportional to 22,211.36, 30,599.64 and 15,484.76 is: 21,332.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,211.36 : 30,599.64 = 15,484.76 : x
  2. Step 2: Convert to fraction form
    22,211.36/30,599.64 = 15,484.76/x
  3. Step 3: Cross multiply
    22,211.36x = 30,599.64 × 15,484.76
  4. Step 4: Simplify right side
    22,211.36x = 473,828,081.49
  5. Step 5: Solve for x
    x = 473,828,081.49/22,211.36
  6. Step 6: Final answer
    x = 21,332.69

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.