Home / 14,860.13-20,507.58-8,572.50

Finding the Fourth Proportional to 14,860.13, 20,507.58 and 8,572.50

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Solution

The fourth proportional to 14,860.13, 20,507.58 and 8,572.50 is: 11,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,860.13 : 20,507.58 = 8,572.50 : x
  2. Step 2: Convert to fraction form
    14,860.13/20,507.58 = 8,572.50/x
  3. Step 3: Cross multiply
    14,860.13x = 20,507.58 × 8,572.50
  4. Step 4: Simplify right side
    14,860.13x = 175,801,229.55
  5. Step 5: Solve for x
    x = 175,801,229.55/14,860.13
  6. Step 6: Final answer
    x = 11,830.40

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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.