Home / 29,189.80-40,276.47-16,442.02

Finding the Fourth Proportional to 29,189.80, 40,276.47 and 16,442.02

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Solution

The fourth proportional to 29,189.80, 40,276.47 and 16,442.02 is: 22,686.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,189.80 : 40,276.47 = 16,442.02 : x
  2. Step 2: Convert to fraction form
    29,189.80/40,276.47 = 16,442.02/x
  3. Step 3: Cross multiply
    29,189.80x = 40,276.47 × 16,442.02
  4. Step 4: Simplify right side
    29,189.80x = 662,226,525.27
  5. Step 5: Solve for x
    x = 662,226,525.27/29,189.80
  6. Step 6: Final answer
    x = 22,686.92

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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.