Home / 25,457.32-35,153.42-15,913.52

Finding the Fourth Proportional to 25,457.32, 35,153.42 and 15,913.52

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Solution

The fourth proportional to 25,457.32, 35,153.42 and 15,913.52 is: 21,974.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,457.32 : 35,153.42 = 15,913.52 : x
  2. Step 2: Convert to fraction form
    25,457.32/35,153.42 = 15,913.52/x
  3. Step 3: Cross multiply
    25,457.32x = 35,153.42 × 15,913.52
  4. Step 4: Simplify right side
    25,457.32x = 559,414,618.24
  5. Step 5: Solve for x
    x = 559,414,618.24/25,457.32
  6. Step 6: Final answer
    x = 21,974.61

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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.