Home / 14,925.28-20,595.93-8,209.57

Finding the Fourth Proportional to 14,925.28, 20,595.93 and 8,209.57

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Solution

The fourth proportional to 14,925.28, 20,595.93 and 8,209.57 is: 11,328.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,925.28 : 20,595.93 = 8,209.57 : x
  2. Step 2: Convert to fraction form
    14,925.28/20,595.93 = 8,209.57/x
  3. Step 3: Cross multiply
    14,925.28x = 20,595.93 × 8,209.57
  4. Step 4: Simplify right side
    14,925.28x = 169,083,729.05
  5. Step 5: Solve for x
    x = 169,083,729.05/14,925.28
  6. Step 6: Final answer
    x = 11,328.68

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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.