Home / 21,412.08-32,070.59-16,445.16

Finding the Fourth Proportional to 21,412.08, 32,070.59 and 16,445.16

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Solution

The fourth proportional to 21,412.08, 32,070.59 and 16,445.16 is: 24,631.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,412.08 : 32,070.59 = 16,445.16 : x
  2. Step 2: Convert to fraction form
    21,412.08/32,070.59 = 16,445.16/x
  3. Step 3: Cross multiply
    21,412.08x = 32,070.59 × 16,445.16
  4. Step 4: Simplify right side
    21,412.08x = 527,405,983.84
  5. Step 5: Solve for x
    x = 527,405,983.84/21,412.08
  6. Step 6: Final answer
    x = 24,631.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.