Home / 18,326.36-25,290.38-10,368.42

Finding the Fourth Proportional to 18,326.36, 25,290.38 and 10,368.42

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Solution

The fourth proportional to 18,326.36, 25,290.38 and 10,368.42 is: 14,308.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,326.36 : 25,290.38 = 10,368.42 : x
  2. Step 2: Convert to fraction form
    18,326.36/25,290.38 = 10,368.42/x
  3. Step 3: Cross multiply
    18,326.36x = 25,290.38 × 10,368.42
  4. Step 4: Simplify right side
    18,326.36x = 262,221,281.80
  5. Step 5: Solve for x
    x = 262,221,281.80/18,326.36
  6. Step 6: Final answer
    x = 14,308.42

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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.