Home / 18,431.51-25,434.65-10,474.47

Finding the Fourth Proportional to 18,431.51, 25,434.65 and 10,474.47

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Solution

The fourth proportional to 18,431.51, 25,434.65 and 10,474.47 is: 14,454.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,431.51 : 25,434.65 = 10,474.47 : x
  2. Step 2: Convert to fraction form
    18,431.51/25,434.65 = 10,474.47/x
  3. Step 3: Cross multiply
    18,431.51x = 25,434.65 × 10,474.47
  4. Step 4: Simplify right side
    18,431.51x = 266,414,426.01
  5. Step 5: Solve for x
    x = 266,414,426.01/18,431.51
  6. Step 6: Final answer
    x = 14,454.30

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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.