Home / 17,987.20-24,821.91-10,434.22

Finding the Fourth Proportional to 17,987.20, 24,821.91 and 10,434.22

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Solution

The fourth proportional to 17,987.20, 24,821.91 and 10,434.22 is: 14,398.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,987.20 : 24,821.91 = 10,434.22 : x
  2. Step 2: Convert to fraction form
    17,987.20/24,821.91 = 10,434.22/x
  3. Step 3: Cross multiply
    17,987.20x = 24,821.91 × 10,434.22
  4. Step 4: Simplify right side
    17,987.20x = 258,997,207.71
  5. Step 5: Solve for x
    x = 258,997,207.71/17,987.20
  6. Step 6: Final answer
    x = 14,398.98

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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.