Home / 21,341.38-29,459.16-16,051.45

Finding the Fourth Proportional to 21,341.38, 29,459.16 and 16,051.45

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Solution

The fourth proportional to 21,341.38, 29,459.16 and 16,051.45 is: 22,157.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,341.38 : 29,459.16 = 16,051.45 : x
  2. Step 2: Convert to fraction form
    21,341.38/29,459.16 = 16,051.45/x
  3. Step 3: Cross multiply
    21,341.38x = 29,459.16 × 16,051.45
  4. Step 4: Simplify right side
    21,341.38x = 472,862,233.78
  5. Step 5: Solve for x
    x = 472,862,233.78/21,341.38
  6. Step 6: Final answer
    x = 22,157.06

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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.