Home / 19,916.47-29,867.75-5,872.77

Finding the Fourth Proportional to 19,916.47, 29,867.75 and 5,872.77

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Solution

The fourth proportional to 19,916.47, 29,867.75 and 5,872.77 is: 8,807.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,916.47 : 29,867.75 = 5,872.77 : x
  2. Step 2: Convert to fraction form
    19,916.47/29,867.75 = 5,872.77/x
  3. Step 3: Cross multiply
    19,916.47x = 29,867.75 × 5,872.77
  4. Step 4: Simplify right side
    19,916.47x = 175,406,426.17
  5. Step 5: Solve for x
    x = 175,406,426.17/19,916.47
  6. Step 6: Final answer
    x = 8,807.10

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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.