Home / 15,068.48-22,691.12-13,143.68

Finding the Fourth Proportional to 15,068.48, 22,691.12 and 13,143.68

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Solution

The fourth proportional to 15,068.48, 22,691.12 and 13,143.68 is: 19,792.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,068.48 : 22,691.12 = 13,143.68 : x
  2. Step 2: Convert to fraction form
    15,068.48/22,691.12 = 13,143.68/x
  3. Step 3: Cross multiply
    15,068.48x = 22,691.12 × 13,143.68
  4. Step 4: Simplify right side
    15,068.48x = 298,244,820.12
  5. Step 5: Solve for x
    x = 298,244,820.12/15,068.48
  6. Step 6: Final answer
    x = 19,792.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.