Home / 25,727.04-35,495.28-15,117.12

Finding the Fourth Proportional to 25,727.04, 35,495.28 and 15,117.12

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Solution

The fourth proportional to 25,727.04, 35,495.28 and 15,117.12 is: 20,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,727.04 : 35,495.28 = 15,117.12 : x
  2. Step 2: Convert to fraction form
    25,727.04/35,495.28 = 15,117.12/x
  3. Step 3: Cross multiply
    25,727.04x = 35,495.28 × 15,117.12
  4. Step 4: Simplify right side
    25,727.04x = 536,586,407.19
  5. Step 5: Solve for x
    x = 536,586,407.19/25,727.04
  6. Step 6: Final answer
    x = 20,856.90

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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.