Home / 25,106.28-34,692.50-18,288.43

Finding the Fourth Proportional to 25,106.28, 34,692.50 and 18,288.43

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Solution

The fourth proportional to 25,106.28, 34,692.50 and 18,288.43 is: 25,271.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,106.28 : 34,692.50 = 18,288.43 : x
  2. Step 2: Convert to fraction form
    25,106.28/34,692.50 = 18,288.43/x
  3. Step 3: Cross multiply
    25,106.28x = 34,692.50 × 18,288.43
  4. Step 4: Simplify right side
    25,106.28x = 634,471,316.76
  5. Step 5: Solve for x
    x = 634,471,316.76/25,106.28
  6. Step 6: Final answer
    x = 25,271.42

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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.