Home / 25,954.40-38,920.08-10,367.84

Finding the Fourth Proportional to 25,954.40, 38,920.08 and 10,367.84

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Solution

The fourth proportional to 25,954.40, 38,920.08 and 10,367.84 is: 15,547.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,954.40 : 38,920.08 = 10,367.84 : x
  2. Step 2: Convert to fraction form
    25,954.40/38,920.08 = 10,367.84/x
  3. Step 3: Cross multiply
    25,954.40x = 38,920.08 × 10,367.84
  4. Step 4: Simplify right side
    25,954.40x = 403,517,162.23
  5. Step 5: Solve for x
    x = 403,517,162.23/25,954.40
  6. Step 6: Final answer
    x = 15,547.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.