Home / 25,021.02-34,529.45-13,691.51

Finding the Fourth Proportional to 25,021.02, 34,529.45 and 13,691.51

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Solution

The fourth proportional to 25,021.02, 34,529.45 and 13,691.51 is: 18,894.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,021.02 : 34,529.45 = 13,691.51 : x
  2. Step 2: Convert to fraction form
    25,021.02/34,529.45 = 13,691.51/x
  3. Step 3: Cross multiply
    25,021.02x = 34,529.45 × 13,691.51
  4. Step 4: Simplify right side
    25,021.02x = 472,760,392.58
  5. Step 5: Solve for x
    x = 472,760,392.58/25,021.02
  6. Step 6: Final answer
    x = 18,894.53

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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.