Home / 13,425.68-18,527.56-7,457.92

Finding the Fourth Proportional to 13,425.68, 18,527.56 and 7,457.92

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Solution

The fourth proportional to 13,425.68, 18,527.56 and 7,457.92 is: 10,292.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,425.68 : 18,527.56 = 7,457.92 : x
  2. Step 2: Convert to fraction form
    13,425.68/18,527.56 = 7,457.92/x
  3. Step 3: Cross multiply
    13,425.68x = 18,527.56 × 7,457.92
  4. Step 4: Simplify right side
    13,425.68x = 138,177,060.28
  5. Step 5: Solve for x
    x = 138,177,060.28/13,425.68
  6. Step 6: Final answer
    x = 10,292.00

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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.