Home / 25,029.60-34,539.35-13,696.84

Finding the Fourth Proportional to 25,029.60, 34,539.35 and 13,696.84

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Solution

The fourth proportional to 25,029.60, 34,539.35 and 13,696.84 is: 18,900.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,029.60 : 34,539.35 = 13,696.84 : x
  2. Step 2: Convert to fraction form
    25,029.60/34,539.35 = 13,696.84/x
  3. Step 3: Cross multiply
    25,029.60x = 34,539.35 × 13,696.84
  4. Step 4: Simplify right side
    25,029.60x = 473,079,925.34
  5. Step 5: Solve for x
    x = 473,079,925.34/25,029.60
  6. Step 6: Final answer
    x = 18,900.82

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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.