Home / 15,921.77-23,882.72-4,828.57

Finding the Fourth Proportional to 15,921.77, 23,882.72 and 4,828.57

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Solution

The fourth proportional to 15,921.77, 23,882.72 and 4,828.57 is: 7,242.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,921.77 : 23,882.72 = 4,828.57 : x
  2. Step 2: Convert to fraction form
    15,921.77/23,882.72 = 4,828.57/x
  3. Step 3: Cross multiply
    15,921.77x = 23,882.72 × 4,828.57
  4. Step 4: Simplify right side
    15,921.77x = 115,319,301.46
  5. Step 5: Solve for x
    x = 115,319,301.46/15,921.77
  6. Step 6: Final answer
    x = 7,242.87

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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.