Home / 15,880.86-21,916.17-9,592.02

Finding the Fourth Proportional to 15,880.86, 21,916.17 and 9,592.02

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Solution

The fourth proportional to 15,880.86, 21,916.17 and 9,592.02 is: 13,237.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,880.86 : 21,916.17 = 9,592.02 : x
  2. Step 2: Convert to fraction form
    15,880.86/21,916.17 = 9,592.02/x
  3. Step 3: Cross multiply
    15,880.86x = 21,916.17 × 9,592.02
  4. Step 4: Simplify right side
    15,880.86x = 210,220,340.96
  5. Step 5: Solve for x
    x = 210,220,340.96/15,880.86
  6. Step 6: Final answer
    x = 13,237.34

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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.