Home / 15,922.86-21,973.32-8,849.10

Finding the Fourth Proportional to 15,922.86, 21,973.32 and 8,849.10

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Solution

The fourth proportional to 15,922.86, 21,973.32 and 8,849.10 is: 12,211.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,922.86 : 21,973.32 = 8,849.10 : x
  2. Step 2: Convert to fraction form
    15,922.86/21,973.32 = 8,849.10/x
  3. Step 3: Cross multiply
    15,922.86x = 21,973.32 × 8,849.10
  4. Step 4: Simplify right side
    15,922.86x = 194,444,106.01
  5. Step 5: Solve for x
    x = 194,444,106.01/15,922.86
  6. Step 6: Final answer
    x = 12,211.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.