Home / 17,060.74-23,543.20-9,987.01

Finding the Fourth Proportional to 17,060.74, 23,543.20 and 9,987.01

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Solution

The fourth proportional to 17,060.74, 23,543.20 and 9,987.01 is: 13,781.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,060.74 : 23,543.20 = 9,987.01 : x
  2. Step 2: Convert to fraction form
    17,060.74/23,543.20 = 9,987.01/x
  3. Step 3: Cross multiply
    17,060.74x = 23,543.20 × 9,987.01
  4. Step 4: Simplify right side
    17,060.74x = 235,126,173.83
  5. Step 5: Solve for x
    x = 235,126,173.83/17,060.74
  6. Step 6: Final answer
    x = 13,781.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.