Home / 25,520.40-35,216.10-14,908.86

Finding the Fourth Proportional to 25,520.40, 35,216.10 and 14,908.86

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Solution

The fourth proportional to 25,520.40, 35,216.10 and 14,908.86 is: 20,573.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,520.40 : 35,216.10 = 14,908.86 : x
  2. Step 2: Convert to fraction form
    25,520.40/35,216.10 = 14,908.86/x
  3. Step 3: Cross multiply
    25,520.40x = 35,216.10 × 14,908.86
  4. Step 4: Simplify right side
    25,520.40x = 525,031,904.65
  5. Step 5: Solve for x
    x = 525,031,904.65/25,520.40
  6. Step 6: Final answer
    x = 20,573.03

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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.