Home / 21,876.18-32,847.08-12,526.77

Finding the Fourth Proportional to 21,876.18, 32,847.08 and 12,526.77

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Solution

The fourth proportional to 21,876.18, 32,847.08 and 12,526.77 is: 18,808.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,876.18 : 32,847.08 = 12,526.77 : x
  2. Step 2: Convert to fraction form
    21,876.18/32,847.08 = 12,526.77/x
  3. Step 3: Cross multiply
    21,876.18x = 32,847.08 × 12,526.77
  4. Step 4: Simplify right side
    21,876.18x = 411,467,753.70
  5. Step 5: Solve for x
    x = 411,467,753.70/21,876.18
  6. Step 6: Final answer
    x = 18,808.94

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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.