Home / 25,520.13-35,216.04-14,188.74

Finding the Fourth Proportional to 25,520.13, 35,216.04 and 14,188.74

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Solution

The fourth proportional to 25,520.13, 35,216.04 and 14,188.74 is: 19,579.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,520.13 : 35,216.04 = 14,188.74 : x
  2. Step 2: Convert to fraction form
    25,520.13/35,216.04 = 14,188.74/x
  3. Step 3: Cross multiply
    25,520.13x = 35,216.04 × 14,188.74
  4. Step 4: Simplify right side
    25,520.13x = 499,671,235.39
  5. Step 5: Solve for x
    x = 499,671,235.39/25,520.13
  6. Step 6: Final answer
    x = 19,579.49

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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.