Home / 18,382.98-25,368.52-10,425.23

Finding the Fourth Proportional to 18,382.98, 25,368.52 and 10,425.23

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Solution

The fourth proportional to 18,382.98, 25,368.52 and 10,425.23 is: 14,386.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,382.98 : 25,368.52 = 10,425.23 : x
  2. Step 2: Convert to fraction form
    18,382.98/25,368.52 = 10,425.23/x
  3. Step 3: Cross multiply
    18,382.98x = 25,368.52 × 10,425.23
  4. Step 4: Simplify right side
    18,382.98x = 264,472,655.76
  5. Step 5: Solve for x
    x = 264,472,655.76/18,382.98
  6. Step 6: Final answer
    x = 14,386.82

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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.