Home / 15,594.17-21,542.72-13,494.65

Finding the Fourth Proportional to 15,594.17, 21,542.72 and 13,494.65

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Solution

The fourth proportional to 15,594.17, 21,542.72 and 13,494.65 is: 18,642.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,594.17 : 21,542.72 = 13,494.65 : x
  2. Step 2: Convert to fraction form
    15,594.17/21,542.72 = 13,494.65/x
  3. Step 3: Cross multiply
    15,594.17x = 21,542.72 × 13,494.65
  4. Step 4: Simplify right side
    15,594.17x = 290,711,291.26
  5. Step 5: Solve for x
    x = 290,711,291.26/15,594.17
  6. Step 6: Final answer
    x = 18,642.31

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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.