Home / 21,442.32-29,585.25-16,412.22

Finding the Fourth Proportional to 21,442.32, 29,585.25 and 16,412.22

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Solution

The fourth proportional to 21,442.32, 29,585.25 and 16,412.22 is: 22,644.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,442.32 : 29,585.25 = 16,412.22 : x
  2. Step 2: Convert to fraction form
    21,442.32/29,585.25 = 16,412.22/x
  3. Step 3: Cross multiply
    21,442.32x = 29,585.25 × 16,412.22
  4. Step 4: Simplify right side
    21,442.32x = 485,559,631.76
  5. Step 5: Solve for x
    x = 485,559,631.76/21,442.32
  6. Step 6: Final answer
    x = 22,644.92

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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.