Home / 18,550.95-25,621.45-12,572.24

Finding the Fourth Proportional to 18,550.95, 25,621.45 and 12,572.24

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Solution

The fourth proportional to 18,550.95, 25,621.45 and 12,572.24 is: 17,364.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550.95 : 25,621.45 = 12,572.24 : x
  2. Step 2: Convert to fraction form
    18,550.95/25,621.45 = 12,572.24/x
  3. Step 3: Cross multiply
    18,550.95x = 25,621.45 × 12,572.24
  4. Step 4: Simplify right side
    18,550.95x = 322,118,977.77
  5. Step 5: Solve for x
    x = 322,118,977.77/18,550.95
  6. Step 6: Final answer
    x = 17,364.02

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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.