Home / 18,400.59-25,390.53-10,845.18

Finding the Fourth Proportional to 18,400.59, 25,390.53 and 10,845.18

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Solution

The fourth proportional to 18,400.59, 25,390.53 and 10,845.18 is: 14,965.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400.59 : 25,390.53 = 10,845.18 : x
  2. Step 2: Convert to fraction form
    18,400.59/25,390.53 = 10,845.18/x
  3. Step 3: Cross multiply
    18,400.59x = 25,390.53 × 10,845.18
  4. Step 4: Simplify right side
    18,400.59x = 275,364,868.15
  5. Step 5: Solve for x
    x = 275,364,868.15/18,400.59
  6. Step 6: Final answer
    x = 14,965.00

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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.