Home / 42,622.90-63,934.35-14,923.70

Finding the Fourth Proportional to 42,622.90, 63,934.35 and 14,923.70

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Solution

The fourth proportional to 42,622.90, 63,934.35 and 14,923.70 is: 22,385.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,622.90 : 63,934.35 = 14,923.70 : x
  2. Step 2: Convert to fraction form
    42,622.90/63,934.35 = 14,923.70/x
  3. Step 3: Cross multiply
    42,622.90x = 63,934.35 × 14,923.70
  4. Step 4: Simplify right side
    42,622.90x = 954,137,059.10
  5. Step 5: Solve for x
    x = 954,137,059.10/42,622.90
  6. Step 6: Final answer
    x = 22,385.55

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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.