Home / 21,436.08-32,031.31-16,342.26

Finding the Fourth Proportional to 21,436.08, 32,031.31 and 16,342.26

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Solution

The fourth proportional to 21,436.08, 32,031.31 and 16,342.26 is: 24,419.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,436.08 : 32,031.31 = 16,342.26 : x
  2. Step 2: Convert to fraction form
    21,436.08/32,031.31 = 16,342.26/x
  3. Step 3: Cross multiply
    21,436.08x = 32,031.31 × 16,342.26
  4. Step 4: Simplify right side
    21,436.08x = 523,463,996.16
  5. Step 5: Solve for x
    x = 523,463,996.16/21,436.08
  6. Step 6: Final answer
    x = 24,419.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.