Home / 18,725.64-25,842.99-10,343.76

Finding the Fourth Proportional to 18,725.64, 25,842.99 and 10,343.76

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Solution

The fourth proportional to 18,725.64, 25,842.99 and 10,343.76 is: 14,275.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725.64 : 25,842.99 = 10,343.76 : x
  2. Step 2: Convert to fraction form
    18,725.64/25,842.99 = 10,343.76/x
  3. Step 3: Cross multiply
    18,725.64x = 25,842.99 × 10,343.76
  4. Step 4: Simplify right side
    18,725.64x = 267,313,686.24
  5. Step 5: Solve for x
    x = 267,313,686.24/18,725.64
  6. Step 6: Final answer
    x = 14,275.28

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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.