Home / 21,547.90-32,320.04-9,067.42

Finding the Fourth Proportional to 21,547.90, 32,320.04 and 9,067.42

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Solution

The fourth proportional to 21,547.90, 32,320.04 and 9,067.42 is: 13,600.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,547.90 : 32,320.04 = 9,067.42 : x
  2. Step 2: Convert to fraction form
    21,547.90/32,320.04 = 9,067.42/x
  3. Step 3: Cross multiply
    21,547.90x = 32,320.04 × 9,067.42
  4. Step 4: Simplify right side
    21,547.90x = 293,059,377.10
  5. Step 5: Solve for x
    x = 293,059,377.10/21,547.90
  6. Step 6: Final answer
    x = 13,600.37

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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.