Home / 21,657.78-32,484.15-5,862.06

Finding the Fourth Proportional to 21,657.78, 32,484.15 and 5,862.06

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Solution

The fourth proportional to 21,657.78, 32,484.15 and 5,862.06 is: 8,792.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,657.78 : 32,484.15 = 5,862.06 : x
  2. Step 2: Convert to fraction form
    21,657.78/32,484.15 = 5,862.06/x
  3. Step 3: Cross multiply
    21,657.78x = 32,484.15 × 5,862.06
  4. Step 4: Simplify right side
    21,657.78x = 190,424,036.35
  5. Step 5: Solve for x
    x = 190,424,036.35/21,657.78
  6. Step 6: Final answer
    x = 8,792.41

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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.