Home / 22,275.92-30,739.95-12,716.30

Finding the Fourth Proportional to 22,275.92, 30,739.95 and 12,716.30

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Solution

The fourth proportional to 22,275.92, 30,739.95 and 12,716.30 is: 17,548.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,275.92 : 30,739.95 = 12,716.30 : x
  2. Step 2: Convert to fraction form
    22,275.92/30,739.95 = 12,716.30/x
  3. Step 3: Cross multiply
    22,275.92x = 30,739.95 × 12,716.30
  4. Step 4: Simplify right side
    22,275.92x = 390,898,272.49
  5. Step 5: Solve for x
    x = 390,898,272.49/22,275.92
  6. Step 6: Final answer
    x = 17,548.02

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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.