Home / 18,585.72-25,642.04-11,034.36

Finding the Fourth Proportional to 18,585.72, 25,642.04 and 11,034.36

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Solution

The fourth proportional to 18,585.72, 25,642.04 and 11,034.36 is: 15,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,585.72 : 25,642.04 = 11,034.36 : x
  2. Step 2: Convert to fraction form
    18,585.72/25,642.04 = 11,034.36/x
  3. Step 3: Cross multiply
    18,585.72x = 25,642.04 × 11,034.36
  4. Step 4: Simplify right side
    18,585.72x = 282,943,445.32
  5. Step 5: Solve for x
    x = 282,943,445.32/18,585.72
  6. Step 6: Final answer
    x = 15,223.70

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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.