Home / 27,583.56-38,065.32-15,008.31

Finding the Fourth Proportional to 27,583.56, 38,065.32 and 15,008.31

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Solution

The fourth proportional to 27,583.56, 38,065.32 and 15,008.31 is: 20,711.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,583.56 : 38,065.32 = 15,008.31 : x
  2. Step 2: Convert to fraction form
    27,583.56/38,065.32 = 15,008.31/x
  3. Step 3: Cross multiply
    27,583.56x = 38,065.32 × 15,008.31
  4. Step 4: Simplify right side
    27,583.56x = 571,296,122.81
  5. Step 5: Solve for x
    x = 571,296,122.81/27,583.56
  6. Step 6: Final answer
    x = 20,711.47

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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.