Home / 17,740.08-24,479.34-9,780.75

Finding the Fourth Proportional to 17,740.08, 24,479.34 and 9,780.75

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Solution

The fourth proportional to 17,740.08, 24,479.34 and 9,780.75 is: 13,496.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,740.08 : 24,479.34 = 9,780.75 : x
  2. Step 2: Convert to fraction form
    17,740.08/24,479.34 = 9,780.75/x
  3. Step 3: Cross multiply
    17,740.08x = 24,479.34 × 9,780.75
  4. Step 4: Simplify right side
    17,740.08x = 239,426,304.71
  5. Step 5: Solve for x
    x = 239,426,304.71/17,740.08
  6. Step 6: Final answer
    x = 13,496.35

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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.