Home / 25,384.06-35,028.71-13,898.66

Finding the Fourth Proportional to 25,384.06, 35,028.71 and 13,898.66

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Solution

The fourth proportional to 25,384.06, 35,028.71 and 13,898.66 is: 19,179.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,384.06 : 35,028.71 = 13,898.66 : x
  2. Step 2: Convert to fraction form
    25,384.06/35,028.71 = 13,898.66/x
  3. Step 3: Cross multiply
    25,384.06x = 35,028.71 × 13,898.66
  4. Step 4: Simplify right side
    25,384.06x = 486,852,130.53
  5. Step 5: Solve for x
    x = 486,852,130.53/25,384.06
  6. Step 6: Final answer
    x = 19,179.44

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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.