Home / 18,684.02-25,785.76-13,960.10

Finding the Fourth Proportional to 18,684.02, 25,785.76 and 13,960.10

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Solution

The fourth proportional to 18,684.02, 25,785.76 and 13,960.10 is: 19,266.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684.02 : 25,785.76 = 13,960.10 : x
  2. Step 2: Convert to fraction form
    18,684.02/25,785.76 = 13,960.10/x
  3. Step 3: Cross multiply
    18,684.02x = 25,785.76 × 13,960.10
  4. Step 4: Simplify right side
    18,684.02x = 359,971,788.18
  5. Step 5: Solve for x
    x = 359,971,788.18/18,684.02
  6. Step 6: Final answer
    x = 19,266.29

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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.