Home / 14,456.07-21,673.17-11,532.78

Finding the Fourth Proportional to 14,456.07, 21,673.17 and 11,532.78

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Solution

The fourth proportional to 14,456.07, 21,673.17 and 11,532.78 is: 17,290.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,456.07 : 21,673.17 = 11,532.78 : x
  2. Step 2: Convert to fraction form
    14,456.07/21,673.17 = 11,532.78/x
  3. Step 3: Cross multiply
    14,456.07x = 21,673.17 × 11,532.78
  4. Step 4: Simplify right side
    14,456.07x = 249,951,901.51
  5. Step 5: Solve for x
    x = 249,951,901.51/14,456.07
  6. Step 6: Final answer
    x = 17,290.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.