Home / 14,745.13-20,348.51-8,030.74

Finding the Fourth Proportional to 14,745.13, 20,348.51 and 8,030.74

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Solution

The fourth proportional to 14,745.13, 20,348.51 and 8,030.74 is: 11,082.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,745.13 : 20,348.51 = 8,030.74 : x
  2. Step 2: Convert to fraction form
    14,745.13/20,348.51 = 8,030.74/x
  3. Step 3: Cross multiply
    14,745.13x = 20,348.51 × 8,030.74
  4. Step 4: Simplify right side
    14,745.13x = 163,413,593.20
  5. Step 5: Solve for x
    x = 163,413,593.20/14,745.13
  6. Step 6: Final answer
    x = 11,082.55

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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.