Home / 25,718.16-35,491.08-15,107.92

Finding the Fourth Proportional to 25,718.16, 35,491.08 and 15,107.92

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Solution

The fourth proportional to 25,718.16, 35,491.08 and 15,107.92 is: 20,848.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,718.16 : 35,491.08 = 15,107.92 : x
  2. Step 2: Convert to fraction form
    25,718.16/35,491.08 = 15,107.92/x
  3. Step 3: Cross multiply
    25,718.16x = 35,491.08 × 15,107.92
  4. Step 4: Simplify right side
    25,718.16x = 536,196,397.35
  5. Step 5: Solve for x
    x = 536,196,397.35/25,718.16
  6. Step 6: Final answer
    x = 20,848.94

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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.