Home / 22,795.80-31,472.62-15,637.69

Finding the Fourth Proportional to 22,795.80, 31,472.62 and 15,637.69

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Solution

The fourth proportional to 22,795.80, 31,472.62 and 15,637.69 is: 21,589.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,795.80 : 31,472.62 = 15,637.69 : x
  2. Step 2: Convert to fraction form
    22,795.80/31,472.62 = 15,637.69/x
  3. Step 3: Cross multiply
    22,795.80x = 31,472.62 × 15,637.69
  4. Step 4: Simplify right side
    22,795.80x = 492,159,075.29
  5. Step 5: Solve for x
    x = 492,159,075.29/22,795.80
  6. Step 6: Final answer
    x = 21,589.90

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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.