Home / 42,661.47-63,999.75-14,574.96

Finding the Fourth Proportional to 42,661.47, 63,999.75 and 14,574.96

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Solution

The fourth proportional to 42,661.47, 63,999.75 and 14,574.96 is: 21,865.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,661.47 : 63,999.75 = 14,574.96 : x
  2. Step 2: Convert to fraction form
    42,661.47/63,999.75 = 14,574.96/x
  3. Step 3: Cross multiply
    42,661.47x = 63,999.75 × 14,574.96
  4. Step 4: Simplify right side
    42,661.47x = 932,793,796.26
  5. Step 5: Solve for x
    x = 932,793,796.26/42,661.47
  6. Step 6: Final answer
    x = 21,865.02

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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.