Home / 13,854.28-19,118.56-7,566.24

Finding the Fourth Proportional to 13,854.28, 19,118.56 and 7,566.24

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Solution

The fourth proportional to 13,854.28, 19,118.56 and 7,566.24 is: 10,441.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,854.28 : 19,118.56 = 7,566.24 : x
  2. Step 2: Convert to fraction form
    13,854.28/19,118.56 = 7,566.24/x
  3. Step 3: Cross multiply
    13,854.28x = 19,118.56 × 7,566.24
  4. Step 4: Simplify right side
    13,854.28x = 144,655,613.41
  5. Step 5: Solve for x
    x = 144,655,613.41/13,854.28
  6. Step 6: Final answer
    x = 10,441.22

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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.