Home / 17,920.12-24,712.74-10,748.92

Finding the Fourth Proportional to 17,920.12, 24,712.74 and 10,748.92

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Solution

The fourth proportional to 17,920.12, 24,712.74 and 10,748.92 is: 14,823.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,920.12 : 24,712.74 = 10,748.92 : x
  2. Step 2: Convert to fraction form
    17,920.12/24,712.74 = 10,748.92/x
  3. Step 3: Cross multiply
    17,920.12x = 24,712.74 × 10,748.92
  4. Step 4: Simplify right side
    17,920.12x = 265,635,265.24
  5. Step 5: Solve for x
    x = 265,635,265.24/17,920.12
  6. Step 6: Final answer
    x = 14,823.30

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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.