Home / 14,478.14-21,595.49-13,149.33

Finding the Fourth Proportional to 14,478.14, 21,595.49 and 13,149.33

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Solution

The fourth proportional to 14,478.14, 21,595.49 and 13,149.33 is: 19,613.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,478.14 : 21,595.49 = 13,149.33 : x
  2. Step 2: Convert to fraction form
    14,478.14/21,595.49 = 13,149.33/x
  3. Step 3: Cross multiply
    14,478.14x = 21,595.49 × 13,149.33
  4. Step 4: Simplify right side
    14,478.14x = 283,966,158.78
  5. Step 5: Solve for x
    x = 283,966,158.78/14,478.14
  6. Step 6: Final answer
    x = 19,613.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.