Home / 13,715.32-20,574.08-4,951.12

Finding the Fourth Proportional to 13,715.32, 20,574.08 and 4,951.12

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Solution

The fourth proportional to 13,715.32, 20,574.08 and 4,951.12 is: 7,427.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,715.32 : 20,574.08 = 4,951.12 : x
  2. Step 2: Convert to fraction form
    13,715.32/20,574.08 = 4,951.12/x
  3. Step 3: Cross multiply
    13,715.32x = 20,574.08 × 4,951.12
  4. Step 4: Simplify right side
    13,715.32x = 101,864,738.97
  5. Step 5: Solve for x
    x = 101,864,738.97/13,715.32
  6. Step 6: Final answer
    x = 7,427.08

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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.