Home / 25,409.09-38,126.63-12,097.15

Finding the Fourth Proportional to 25,409.09, 38,126.63 and 12,097.15

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Solution

The fourth proportional to 25,409.09, 38,126.63 and 12,097.15 is: 18,151.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,409.09 : 38,126.63 = 12,097.15 : x
  2. Step 2: Convert to fraction form
    25,409.09/38,126.63 = 12,097.15/x
  3. Step 3: Cross multiply
    25,409.09x = 38,126.63 × 12,097.15
  4. Step 4: Simplify right side
    25,409.09x = 461,223,497.03
  5. Step 5: Solve for x
    x = 461,223,497.03/25,409.09
  6. Step 6: Final answer
    x = 18,151.91

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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.