Home / 42,572.61-63,858.22-14,512.21

Finding the Fourth Proportional to 42,572.61, 63,858.22 and 14,512.21

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Solution

The fourth proportional to 42,572.61, 63,858.22 and 14,512.21 is: 21,768.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,572.61 : 63,858.22 = 14,512.21 : x
  2. Step 2: Convert to fraction form
    42,572.61/63,858.22 = 14,512.21/x
  3. Step 3: Cross multiply
    42,572.61x = 63,858.22 × 14,512.21
  4. Step 4: Simplify right side
    42,572.61x = 926,724,143.77
  5. Step 5: Solve for x
    x = 926,724,143.77/42,572.61
  6. Step 6: Final answer
    x = 21,768.08

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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.