Home / 22,302.40-33,421.20-15,368.80

Finding the Fourth Proportional to 22,302.40, 33,421.20 and 15,368.80

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Solution

The fourth proportional to 22,302.40, 33,421.20 and 15,368.80 is: 23,030.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,302.40 : 33,421.20 = 15,368.80 : x
  2. Step 2: Convert to fraction form
    22,302.40/33,421.20 = 15,368.80/x
  3. Step 3: Cross multiply
    22,302.40x = 33,421.20 × 15,368.80
  4. Step 4: Simplify right side
    22,302.40x = 513,643,738.56
  5. Step 5: Solve for x
    x = 513,643,738.56/22,302.40
  6. Step 6: Final answer
    x = 23,030.87

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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.