Home / 18,298.64-25,248.98-10,340.69

Finding the Fourth Proportional to 18,298.64, 25,248.98 and 10,340.69

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Solution

The fourth proportional to 18,298.64, 25,248.98 and 10,340.69 is: 14,268.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,298.64 : 25,248.98 = 10,340.69 : x
  2. Step 2: Convert to fraction form
    18,298.64/25,248.98 = 10,340.69/x
  3. Step 3: Cross multiply
    18,298.64x = 25,248.98 × 10,340.69
  4. Step 4: Simplify right side
    18,298.64x = 261,091,774.60
  5. Step 5: Solve for x
    x = 261,091,774.60/18,298.64
  6. Step 6: Final answer
    x = 14,268.37

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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.