Home / 22,030.12-32,988.84-12,158.44

Finding the Fourth Proportional to 22,030.12, 32,988.84 and 12,158.44

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Solution

The fourth proportional to 22,030.12, 32,988.84 and 12,158.44 is: 18,206.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,030.12 : 32,988.84 = 12,158.44 : x
  2. Step 2: Convert to fraction form
    22,030.12/32,988.84 = 12,158.44/x
  3. Step 3: Cross multiply
    22,030.12x = 32,988.84 × 12,158.44
  4. Step 4: Simplify right side
    22,030.12x = 401,092,831.81
  5. Step 5: Solve for x
    x = 401,092,831.81/22,030.12
  6. Step 6: Final answer
    x = 18,206.57

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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.