Home / 13,225.68-19,812.92-9,055.76

Finding the Fourth Proportional to 13,225.68, 19,812.92 and 9,055.76

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Solution

The fourth proportional to 13,225.68, 19,812.92 and 9,055.76 is: 13,566.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,225.68 : 19,812.92 = 9,055.76 : x
  2. Step 2: Convert to fraction form
    13,225.68/19,812.92 = 9,055.76/x
  3. Step 3: Cross multiply
    13,225.68x = 19,812.92 × 9,055.76
  4. Step 4: Simplify right side
    13,225.68x = 179,421,048.42
  5. Step 5: Solve for x
    x = 179,421,048.42/13,225.68
  6. Step 6: Final answer
    x = 13,566.11

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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.