Home / 13,030.76-19,546.16-9,152.48

Finding the Fourth Proportional to 13,030.76, 19,546.16 and 9,152.48

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Solution

The fourth proportional to 13,030.76, 19,546.16 and 9,152.48 is: 13,728.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030.76 : 19,546.16 = 9,152.48 : x
  2. Step 2: Convert to fraction form
    13,030.76/19,546.16 = 9,152.48/x
  3. Step 3: Cross multiply
    13,030.76x = 19,546.16 × 9,152.48
  4. Step 4: Simplify right side
    13,030.76x = 178,895,838.48
  5. Step 5: Solve for x
    x = 178,895,838.48/13,030.76
  6. Step 6: Final answer
    x = 13,728.73

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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.