Home / 15,541.93-21,454.32-11,766.16

Finding the Fourth Proportional to 15,541.93, 21,454.32 and 11,766.16

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Solution

The fourth proportional to 15,541.93, 21,454.32 and 11,766.16 is: 16,242.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,541.93 : 21,454.32 = 11,766.16 : x
  2. Step 2: Convert to fraction form
    15,541.93/21,454.32 = 11,766.16/x
  3. Step 3: Cross multiply
    15,541.93x = 21,454.32 × 11,766.16
  4. Step 4: Simplify right side
    15,541.93x = 252,434,966.57
  5. Step 5: Solve for x
    x = 252,434,966.57/15,541.93
  6. Step 6: Final answer
    x = 16,242.19

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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.