Home / 42,471.44-63,705.72-14,768.72

Finding the Fourth Proportional to 42,471.44, 63,705.72 and 14,768.72

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Solution

The fourth proportional to 42,471.44, 63,705.72 and 14,768.72 is: 22,152.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,471.44 : 63,705.72 = 14,768.72 : x
  2. Step 2: Convert to fraction form
    42,471.44/63,705.72 = 14,768.72/x
  3. Step 3: Cross multiply
    42,471.44x = 63,705.72 × 14,768.72
  4. Step 4: Simplify right side
    42,471.44x = 940,851,941.08
  5. Step 5: Solve for x
    x = 940,851,941.08/42,471.44
  6. Step 6: Final answer
    x = 22,152.58

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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.