Home / 18,444.66-25,389.65-13,960.50

Finding the Fourth Proportional to 18,444.66, 25,389.65 and 13,960.50

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Solution

The fourth proportional to 18,444.66, 25,389.65 and 13,960.50 is: 19,217.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,444.66 : 25,389.65 = 13,960.50 : x
  2. Step 2: Convert to fraction form
    18,444.66/25,389.65 = 13,960.50/x
  3. Step 3: Cross multiply
    18,444.66x = 25,389.65 × 13,960.50
  4. Step 4: Simplify right side
    18,444.66x = 354,452,139.02
  5. Step 5: Solve for x
    x = 354,452,139.02/18,444.66
  6. Step 6: Final answer
    x = 19,217.06

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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.