Home / 23,060.04-31,790.88-15,493.20

Finding the Fourth Proportional to 23,060.04, 31,790.88 and 15,493.20

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Solution

The fourth proportional to 23,060.04, 31,790.88 and 15,493.20 is: 21,359.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,060.04 : 31,790.88 = 15,493.20 : x
  2. Step 2: Convert to fraction form
    23,060.04/31,790.88 = 15,493.20/x
  3. Step 3: Cross multiply
    23,060.04x = 31,790.88 × 15,493.20
  4. Step 4: Simplify right side
    23,060.04x = 492,542,462.02
  5. Step 5: Solve for x
    x = 492,542,462.02/23,060.04
  6. Step 6: Final answer
    x = 21,359.13

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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.