Home / 21,547.52-32,309.04-7,500.32

Finding the Fourth Proportional to 21,547.52, 32,309.04 and 7,500.32

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Solution

The fourth proportional to 21,547.52, 32,309.04 and 7,500.32 is: 11,246.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,547.52 : 32,309.04 = 7,500.32 : x
  2. Step 2: Convert to fraction form
    21,547.52/32,309.04 = 7,500.32/x
  3. Step 3: Cross multiply
    21,547.52x = 32,309.04 × 7,500.32
  4. Step 4: Simplify right side
    21,547.52x = 242,328,138.89
  5. Step 5: Solve for x
    x = 242,328,138.89/21,547.52
  6. Step 6: Final answer
    x = 11,246.22

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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.