Home / 21,643.80-32,463.54-6,061.56

Finding the Fourth Proportional to 21,643.80, 32,463.54 and 6,061.56

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Solution

The fourth proportional to 21,643.80, 32,463.54 and 6,061.56 is: 9,091.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,643.80 : 32,463.54 = 6,061.56 : x
  2. Step 2: Convert to fraction form
    21,643.80/32,463.54 = 6,061.56/x
  3. Step 3: Cross multiply
    21,643.80x = 32,463.54 × 6,061.56
  4. Step 4: Simplify right side
    21,643.80x = 196,779,695.52
  5. Step 5: Solve for x
    x = 196,779,695.52/21,643.80
  6. Step 6: Final answer
    x = 9,091.74

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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.