Home / 17,875.03-24,668-9,917.39

Finding the Fourth Proportional to 17,875.03, 24,668 and 9,917.39

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Solution

The fourth proportional to 17,875.03, 24,668 and 9,917.39 is: 13,686.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,875.03 : 24,668 = 9,917.39 : x
  2. Step 2: Convert to fraction form
    17,875.03/24,668 = 9,917.39/x
  3. Step 3: Cross multiply
    17,875.03x = 24,668 × 9,917.39
  4. Step 4: Simplify right side
    17,875.03x = 244,642,176.52
  5. Step 5: Solve for x
    x = 244,642,176.52/17,875.03
  6. Step 6: Final answer
    x = 13,686.25

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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.