Home / 22,819.35-31,484.47-15,651.04

Finding the Fourth Proportional to 22,819.35, 31,484.47 and 15,651.04

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Solution

The fourth proportional to 22,819.35, 31,484.47 and 15,651.04 is: 21,594.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,819.35 : 31,484.47 = 15,651.04 : x
  2. Step 2: Convert to fraction form
    22,819.35/31,484.47 = 15,651.04/x
  3. Step 3: Cross multiply
    22,819.35x = 31,484.47 × 15,651.04
  4. Step 4: Simplify right side
    22,819.35x = 492,764,681.28
  5. Step 5: Solve for x
    x = 492,764,681.28/22,819.35
  6. Step 6: Final answer
    x = 21,594.16

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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.