Home / 25,692.32-38,521.20-13,994.40

Finding the Fourth Proportional to 25,692.32, 38,521.20 and 13,994.40

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Solution

The fourth proportional to 25,692.32, 38,521.20 and 13,994.40 is: 20,982.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,692.32 : 38,521.20 = 13,994.40 : x
  2. Step 2: Convert to fraction form
    25,692.32/38,521.20 = 13,994.40/x
  3. Step 3: Cross multiply
    25,692.32x = 38,521.20 × 13,994.40
  4. Step 4: Simplify right side
    25,692.32x = 539,081,081.28
  5. Step 5: Solve for x
    x = 539,081,081.28/25,692.32
  6. Step 6: Final answer
    x = 20,982.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.