Home / 27,585.50-38,068.80-15,011.06

Finding the Fourth Proportional to 27,585.50, 38,068.80 and 15,011.06

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Solution

The fourth proportional to 27,585.50, 38,068.80 and 15,011.06 is: 20,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,585.50 : 38,068.80 = 15,011.06 : x
  2. Step 2: Convert to fraction form
    27,585.50/38,068.80 = 15,011.06/x
  3. Step 3: Cross multiply
    27,585.50x = 38,068.80 × 15,011.06
  4. Step 4: Simplify right side
    27,585.50x = 571,453,040.93
  5. Step 5: Solve for x
    x = 571,453,040.93/27,585.50
  6. Step 6: Final answer
    x = 20,715.70

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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.