Home / 14,675.20-22,012.80-10,758.40

Finding the Fourth Proportional to 14,675.20, 22,012.80 and 10,758.40

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Solution

The fourth proportional to 14,675.20, 22,012.80 and 10,758.40 is: 16,137.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,675.20 : 22,012.80 = 10,758.40 : x
  2. Step 2: Convert to fraction form
    14,675.20/22,012.80 = 10,758.40/x
  3. Step 3: Cross multiply
    14,675.20x = 22,012.80 × 10,758.40
  4. Step 4: Simplify right side
    14,675.20x = 236,822,507.52
  5. Step 5: Solve for x
    x = 236,822,507.52/14,675.20
  6. Step 6: Final answer
    x = 16,137.60

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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.