Home / 17,001.47-25,506.53-9,987.42

Finding the Fourth Proportional to 17,001.47, 25,506.53 and 9,987.42

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Solution

The fourth proportional to 17,001.47, 25,506.53 and 9,987.42 is: 14,983.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,001.47 : 25,506.53 = 9,987.42 : x
  2. Step 2: Convert to fraction form
    17,001.47/25,506.53 = 9,987.42/x
  3. Step 3: Cross multiply
    17,001.47x = 25,506.53 × 9,987.42
  4. Step 4: Simplify right side
    17,001.47x = 254,744,300.32
  5. Step 5: Solve for x
    x = 254,744,300.32/17,001.47
  6. Step 6: Final answer
    x = 14,983.66

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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.