Home / 21,555.07-32,323.18-10,874.86

Finding the Fourth Proportional to 21,555.07, 32,323.18 and 10,874.86

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Solution

The fourth proportional to 21,555.07, 32,323.18 and 10,874.86 is: 16,307.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,555.07 : 32,323.18 = 10,874.86 : x
  2. Step 2: Convert to fraction form
    21,555.07/32,323.18 = 10,874.86/x
  3. Step 3: Cross multiply
    21,555.07x = 32,323.18 × 10,874.86
  4. Step 4: Simplify right side
    21,555.07x = 351,509,990.04
  5. Step 5: Solve for x
    x = 351,509,990.04/21,555.07
  6. Step 6: Final answer
    x = 16,307.53

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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.