Home / 14,710.05-20,294.19-10,890.76

Finding the Fourth Proportional to 14,710.05, 20,294.19 and 10,890.76

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Solution

The fourth proportional to 14,710.05, 20,294.19 and 10,890.76 is: 15,025.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,710.05 : 20,294.19 = 10,890.76 : x
  2. Step 2: Convert to fraction form
    14,710.05/20,294.19 = 10,890.76/x
  3. Step 3: Cross multiply
    14,710.05x = 20,294.19 × 10,890.76
  4. Step 4: Simplify right side
    14,710.05x = 221,019,152.68
  5. Step 5: Solve for x
    x = 221,019,152.68/14,710.05
  6. Step 6: Final answer
    x = 15,025.05

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Half scale
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Double scale
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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.