Home / 22,526.19-31,088.41-12,455.39

Finding the Fourth Proportional to 22,526.19, 31,088.41 and 12,455.39

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Solution

The fourth proportional to 22,526.19, 31,088.41 and 12,455.39 is: 17,189.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,526.19 : 31,088.41 = 12,455.39 : x
  2. Step 2: Convert to fraction form
    22,526.19/31,088.41 = 12,455.39/x
  3. Step 3: Cross multiply
    22,526.19x = 31,088.41 × 12,455.39
  4. Step 4: Simplify right side
    22,526.19x = 387,218,317.61
  5. Step 5: Solve for x
    x = 387,218,317.61/22,526.19
  6. Step 6: Final answer
    x = 17,189.69

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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.