Home / 14,675.18-20,255.36-9,011.28

Finding the Fourth Proportional to 14,675.18, 20,255.36 and 9,011.28

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Solution

The fourth proportional to 14,675.18, 20,255.36 and 9,011.28 is: 12,437.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,675.18 : 20,255.36 = 9,011.28 : x
  2. Step 2: Convert to fraction form
    14,675.18/20,255.36 = 9,011.28/x
  3. Step 3: Cross multiply
    14,675.18x = 20,255.36 × 9,011.28
  4. Step 4: Simplify right side
    14,675.18x = 182,526,675.40
  5. Step 5: Solve for x
    x = 182,526,675.40/14,675.18
  6. Step 6: Final answer
    x = 12,437.79

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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.