Home / 25,718.09-35,491.25-15,108.17

Finding the Fourth Proportional to 25,718.09, 35,491.25 and 15,108.17

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Solution

The fourth proportional to 25,718.09, 35,491.25 and 15,108.17 is: 20,849.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,718.09 : 35,491.25 = 15,108.17 : x
  2. Step 2: Convert to fraction form
    25,718.09/35,491.25 = 15,108.17/x
  3. Step 3: Cross multiply
    25,718.09x = 35,491.25 × 15,108.17
  4. Step 4: Simplify right side
    25,718.09x = 536,207,838.51
  5. Step 5: Solve for x
    x = 536,207,838.51/25,718.09
  6. Step 6: Final answer
    x = 20,849.44

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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.