Home / 25,076.16-34,578.24-15,642.24

Finding the Fourth Proportional to 25,076.16, 34,578.24 and 15,642.24

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Solution

The fourth proportional to 25,076.16, 34,578.24 and 15,642.24 is: 21,569.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,076.16 : 34,578.24 = 15,642.24 : x
  2. Step 2: Convert to fraction form
    25,076.16/34,578.24 = 15,642.24/x
  3. Step 3: Cross multiply
    25,076.16x = 34,578.24 × 15,642.24
  4. Step 4: Simplify right side
    25,076.16x = 540,881,128.86
  5. Step 5: Solve for x
    x = 540,881,128.86/25,076.16
  6. Step 6: Final answer
    x = 21,569.54

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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.