Home / 17,738.64-24,479.50-9,781.14

Finding the Fourth Proportional to 17,738.64, 24,479.50 and 9,781.14

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Solution

The fourth proportional to 17,738.64, 24,479.50 and 9,781.14 is: 13,498.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,738.64 : 24,479.50 = 9,781.14 : x
  2. Step 2: Convert to fraction form
    17,738.64/24,479.50 = 9,781.14/x
  3. Step 3: Cross multiply
    17,738.64x = 24,479.50 × 9,781.14
  4. Step 4: Simplify right side
    17,738.64x = 239,437,416.63
  5. Step 5: Solve for x
    x = 239,437,416.63/17,738.64
  6. Step 6: Final answer
    x = 13,498.07

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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.