Home / 14,388.08-19,854.12-10,613.29

Finding the Fourth Proportional to 14,388.08, 19,854.12 and 10,613.29

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Solution

The fourth proportional to 14,388.08, 19,854.12 and 10,613.29 is: 14,645.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,388.08 : 19,854.12 = 10,613.29 : x
  2. Step 2: Convert to fraction form
    14,388.08/19,854.12 = 10,613.29/x
  3. Step 3: Cross multiply
    14,388.08x = 19,854.12 × 10,613.29
  4. Step 4: Simplify right side
    14,388.08x = 210,717,433.98
  5. Step 5: Solve for x
    x = 210,717,433.98/14,388.08
  6. Step 6: Final answer
    x = 14,645.28

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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.