Home / 15,916.80-23,875.20-15,552.30

Finding the Fourth Proportional to 15,916.80, 23,875.20 and 15,552.30

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Solution

The fourth proportional to 15,916.80, 23,875.20 and 15,552.30 is: 23,328.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,916.80 : 23,875.20 = 15,552.30 : x
  2. Step 2: Convert to fraction form
    15,916.80/23,875.20 = 15,552.30/x
  3. Step 3: Cross multiply
    15,916.80x = 23,875.20 × 15,552.30
  4. Step 4: Simplify right side
    15,916.80x = 371,314,272.96
  5. Step 5: Solve for x
    x = 371,314,272.96/15,916.80
  6. Step 6: Final answer
    x = 23,328.45

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1.5x scale

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.