Home / 21,445.62-32,149.92-10,360.08

Finding the Fourth Proportional to 21,445.62, 32,149.92 and 10,360.08

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Solution

The fourth proportional to 21,445.62, 32,149.92 and 10,360.08 is: 15,531.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,445.62 : 32,149.92 = 10,360.08 : x
  2. Step 2: Convert to fraction form
    21,445.62/32,149.92 = 10,360.08/x
  3. Step 3: Cross multiply
    21,445.62x = 32,149.92 × 10,360.08
  4. Step 4: Simplify right side
    21,445.62x = 333,075,743.19
  5. Step 5: Solve for x
    x = 333,075,743.19/21,445.62
  6. Step 6: Final answer
    x = 15,531.18

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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.