Home / 27,432.60-37,857-14,857.34

Finding the Fourth Proportional to 27,432.60, 37,857 and 14,857.34

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Solution

The fourth proportional to 27,432.60, 37,857 and 14,857.34 is: 20,503.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,432.60 : 37,857 = 14,857.34 : x
  2. Step 2: Convert to fraction form
    27,432.60/37,857 = 14,857.34/x
  3. Step 3: Cross multiply
    27,432.60x = 37,857 × 14,857.34
  4. Step 4: Simplify right side
    27,432.60x = 562,454,320.38
  5. Step 5: Solve for x
    x = 562,454,320.38/27,432.60
  6. Step 6: Final answer
    x = 20,503.14

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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.