Home / 42,686.65-64,026.14-14,982.97

Finding the Fourth Proportional to 42,686.65, 64,026.14 and 14,982.97

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Solution

The fourth proportional to 42,686.65, 64,026.14 and 14,982.97 is: 22,473.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,686.65 : 64,026.14 = 14,982.97 : x
  2. Step 2: Convert to fraction form
    42,686.65/64,026.14 = 14,982.97/x
  3. Step 3: Cross multiply
    42,686.65x = 64,026.14 × 14,982.97
  4. Step 4: Simplify right side
    42,686.65x = 959,301,659.92
  5. Step 5: Solve for x
    x = 959,301,659.92/42,686.65
  6. Step 6: Final answer
    x = 22,473.11

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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.