Home / 21,565.18-32,347.46-6,774.98

Finding the Fourth Proportional to 21,565.18, 32,347.46 and 6,774.98

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Solution

The fourth proportional to 21,565.18, 32,347.46 and 6,774.98 is: 10,162.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,565.18 : 32,347.46 = 6,774.98 : x
  2. Step 2: Convert to fraction form
    21,565.18/32,347.46 = 6,774.98/x
  3. Step 3: Cross multiply
    21,565.18x = 32,347.46 × 6,774.98
  4. Step 4: Simplify right side
    21,565.18x = 219,153,492.36
  5. Step 5: Solve for x
    x = 219,153,492.36/21,565.18
  6. Step 6: Final answer
    x = 10,162.38

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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.