Home / 13,292.13-18,343.35-7,323.74

Finding the Fourth Proportional to 13,292.13, 18,343.35 and 7,323.74

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Solution

The fourth proportional to 13,292.13, 18,343.35 and 7,323.74 is: 10,106.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.13 : 18,343.35 = 7,323.74 : x
  2. Step 2: Convert to fraction form
    13,292.13/18,343.35 = 7,323.74/x
  3. Step 3: Cross multiply
    13,292.13x = 18,343.35 × 7,323.74
  4. Step 4: Simplify right side
    13,292.13x = 134,341,926.13
  5. Step 5: Solve for x
    x = 134,341,926.13/13,292.13
  6. Step 6: Final answer
    x = 10,106.88

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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.