Home / 15,136.02-22,696.88-5,641.92

Finding the Fourth Proportional to 15,136.02, 22,696.88 and 5,641.92

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Solution

The fourth proportional to 15,136.02, 22,696.88 and 5,641.92 is: 8,460.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,136.02 : 22,696.88 = 5,641.92 : x
  2. Step 2: Convert to fraction form
    15,136.02/22,696.88 = 5,641.92/x
  3. Step 3: Cross multiply
    15,136.02x = 22,696.88 × 5,641.92
  4. Step 4: Simplify right side
    15,136.02x = 128,053,981.21
  5. Step 5: Solve for x
    x = 128,053,981.21/15,136.02
  6. Step 6: Final answer
    x = 8,460.21

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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.