Home / 18,268.24-25,210.12-9,884.76

Finding the Fourth Proportional to 18,268.24, 25,210.12 and 9,884.76

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Solution

The fourth proportional to 18,268.24, 25,210.12 and 9,884.76 is: 13,640.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,268.24 : 25,210.12 = 9,884.76 : x
  2. Step 2: Convert to fraction form
    18,268.24/25,210.12 = 9,884.76/x
  3. Step 3: Cross multiply
    18,268.24x = 25,210.12 × 9,884.76
  4. Step 4: Simplify right side
    18,268.24x = 249,195,985.77
  5. Step 5: Solve for x
    x = 249,195,985.77/18,268.24
  6. Step 6: Final answer
    x = 13,640.94

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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.