Home / 25,124.67-37,691.10-8,485.70

Finding the Fourth Proportional to 25,124.67, 37,691.10 and 8,485.70

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Solution

The fourth proportional to 25,124.67, 37,691.10 and 8,485.70 is: 12,729.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,124.67 : 37,691.10 = 8,485.70 : x
  2. Step 2: Convert to fraction form
    25,124.67/37,691.10 = 8,485.70/x
  3. Step 3: Cross multiply
    25,124.67x = 37,691.10 × 8,485.70
  4. Step 4: Simplify right side
    25,124.67x = 319,835,178.81
  5. Step 5: Solve for x
    x = 319,835,178.81/25,124.67
  6. Step 6: Final answer
    x = 12,729.93

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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.