Home / 25,530.12-35,217.18-14,917.50

Finding the Fourth Proportional to 25,530.12, 35,217.18 and 14,917.50

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Solution

The fourth proportional to 25,530.12, 35,217.18 and 14,917.50 is: 20,577.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,530.12 : 35,217.18 = 14,917.50 : x
  2. Step 2: Convert to fraction form
    25,530.12/35,217.18 = 14,917.50/x
  3. Step 3: Cross multiply
    25,530.12x = 35,217.18 × 14,917.50
  4. Step 4: Simplify right side
    25,530.12x = 525,352,282.65
  5. Step 5: Solve for x
    x = 525,352,282.65/25,530.12
  6. Step 6: Final answer
    x = 20,577.74

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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.