Home / 42,367.17-63,551.21-12,785.27

Finding the Fourth Proportional to 42,367.17, 63,551.21 and 12,785.27

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Solution

The fourth proportional to 42,367.17, 63,551.21 and 12,785.27 is: 19,178.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,367.17 : 63,551.21 = 12,785.27 : x
  2. Step 2: Convert to fraction form
    42,367.17/63,551.21 = 12,785.27/x
  3. Step 3: Cross multiply
    42,367.17x = 63,551.21 × 12,785.27
  4. Step 4: Simplify right side
    42,367.17x = 812,518,996.99
  5. Step 5: Solve for x
    x = 812,518,996.99/42,367.17
  6. Step 6: Final answer
    x = 19,178.03

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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.