Home / 15,578.33-23,248.27-13,916.21

Finding the Fourth Proportional to 15,578.33, 23,248.27 and 13,916.21

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Solution

The fourth proportional to 15,578.33, 23,248.27 and 13,916.21 is: 20,767.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,578.33 : 23,248.27 = 13,916.21 : x
  2. Step 2: Convert to fraction form
    15,578.33/23,248.27 = 13,916.21/x
  3. Step 3: Cross multiply
    15,578.33x = 23,248.27 × 13,916.21
  4. Step 4: Simplify right side
    15,578.33x = 323,527,807.46
  5. Step 5: Solve for x
    x = 323,527,807.46/15,578.33
  6. Step 6: Final answer
    x = 20,767.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.