Home / 25,143.30-37,692.63-12,646.98

Finding the Fourth Proportional to 25,143.30, 37,692.63 and 12,646.98

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Solution

The fourth proportional to 25,143.30, 37,692.63 and 12,646.98 is: 18,959.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,143.30 : 37,692.63 = 12,646.98 : x
  2. Step 2: Convert to fraction form
    25,143.30/37,692.63 = 12,646.98/x
  3. Step 3: Cross multiply
    25,143.30x = 37,692.63 × 12,646.98
  4. Step 4: Simplify right side
    25,143.30x = 476,697,937.76
  5. Step 5: Solve for x
    x = 476,697,937.76/25,143.30
  6. Step 6: Final answer
    x = 18,959.24

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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.