Home / 22,043.16-33,030.18-18,742.68

Finding the Fourth Proportional to 22,043.16, 33,030.18 and 18,742.68

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Solution

The fourth proportional to 22,043.16, 33,030.18 and 18,742.68 is: 28,084.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,043.16 : 33,030.18 = 18,742.68 : x
  2. Step 2: Convert to fraction form
    22,043.16/33,030.18 = 18,742.68/x
  3. Step 3: Cross multiply
    22,043.16x = 33,030.18 × 18,742.68
  4. Step 4: Simplify right side
    22,043.16x = 619,074,094.08
  5. Step 5: Solve for x
    x = 619,074,094.08/22,043.16
  6. Step 6: Final answer
    x = 28,084.63

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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.