Home / 27,555.14-38,026.13-14,979.89

Finding the Fourth Proportional to 27,555.14, 38,026.13 and 14,979.89

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Solution

The fourth proportional to 27,555.14, 38,026.13 and 14,979.89 is: 20,672.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,555.14 : 38,026.13 = 14,979.89 : x
  2. Step 2: Convert to fraction form
    27,555.14/38,026.13 = 14,979.89/x
  3. Step 3: Cross multiply
    27,555.14x = 38,026.13 × 14,979.89
  4. Step 4: Simplify right side
    27,555.14x = 569,626,979.50
  5. Step 5: Solve for x
    x = 569,626,979.50/27,555.14
  6. Step 6: Final answer
    x = 20,672.26

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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.