Home / 17,916.77-24,689.93-15,084.60

Finding the Fourth Proportional to 17,916.77, 24,689.93 and 15,084.60

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Solution

The fourth proportional to 17,916.77, 24,689.93 and 15,084.60 is: 20,787.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,916.77 : 24,689.93 = 15,084.60 : x
  2. Step 2: Convert to fraction form
    17,916.77/24,689.93 = 15,084.60/x
  3. Step 3: Cross multiply
    17,916.77x = 24,689.93 × 15,084.60
  4. Step 4: Simplify right side
    17,916.77x = 372,437,642.66
  5. Step 5: Solve for x
    x = 372,437,642.66/17,916.77
  6. Step 6: Final answer
    x = 20,787.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.