Home / 21,876.93-32,848.20-12,527.51

Finding the Fourth Proportional to 21,876.93, 32,848.20 and 12,527.51

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Solution

The fourth proportional to 21,876.93, 32,848.20 and 12,527.51 is: 18,810.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,876.93 : 32,848.20 = 12,527.51 : x
  2. Step 2: Convert to fraction form
    21,876.93/32,848.20 = 12,527.51/x
  3. Step 3: Cross multiply
    21,876.93x = 32,848.20 × 12,527.51
  4. Step 4: Simplify right side
    21,876.93x = 411,505,989.74
  5. Step 5: Solve for x
    x = 411,505,989.74/21,876.93
  6. Step 6: Final answer
    x = 18,810.04

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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.