Home / 42,143.97-63,225.36-15,848.94

Finding the Fourth Proportional to 42,143.97, 63,225.36 and 15,848.94

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Solution

The fourth proportional to 42,143.97, 63,225.36 and 15,848.94 is: 23,776.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,143.97 : 63,225.36 = 15,848.94 : x
  2. Step 2: Convert to fraction form
    42,143.97/63,225.36 = 15,848.94/x
  3. Step 3: Cross multiply
    42,143.97x = 63,225.36 × 15,848.94
  4. Step 4: Simplify right side
    42,143.97x = 1,002,054,937.12
  5. Step 5: Solve for x
    x = 1,002,054,937.12/42,143.97
  6. Step 6: Final answer
    x = 23,776.95

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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.