Home / 25,615.60-38,425.20-14,527.60

Finding the Fourth Proportional to 25,615.60, 38,425.20 and 14,527.60

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Solution

The fourth proportional to 25,615.60, 38,425.20 and 14,527.60 is: 21,792.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,615.60 : 38,425.20 = 14,527.60 : x
  2. Step 2: Convert to fraction form
    25,615.60/38,425.20 = 14,527.60/x
  3. Step 3: Cross multiply
    25,615.60x = 38,425.20 × 14,527.60
  4. Step 4: Simplify right side
    25,615.60x = 558,225,935.52
  5. Step 5: Solve for x
    x = 558,225,935.52/25,615.60
  6. Step 6: Final answer
    x = 21,792.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.