Home / 16,111.96-22,223.24-15,570.08

Finding the Fourth Proportional to 16,111.96, 22,223.24 and 15,570.08

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Solution

The fourth proportional to 16,111.96, 22,223.24 and 15,570.08 is: 21,475.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,111.96 : 22,223.24 = 15,570.08 : x
  2. Step 2: Convert to fraction form
    16,111.96/22,223.24 = 15,570.08/x
  3. Step 3: Cross multiply
    16,111.96x = 22,223.24 × 15,570.08
  4. Step 4: Simplify right side
    16,111.96x = 346,017,624.66
  5. Step 5: Solve for x
    x = 346,017,624.66/16,111.96
  6. Step 6: Final answer
    x = 21,475.82

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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.