Home / 22,870.89-34,278.93-11,782.80

Finding the Fourth Proportional to 22,870.89, 34,278.93 and 11,782.80

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Solution

The fourth proportional to 22,870.89, 34,278.93 and 11,782.80 is: 17,660.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,870.89 : 34,278.93 = 11,782.80 : x
  2. Step 2: Convert to fraction form
    22,870.89/34,278.93 = 11,782.80/x
  3. Step 3: Cross multiply
    22,870.89x = 34,278.93 × 11,782.80
  4. Step 4: Simplify right side
    22,870.89x = 403,901,776.40
  5. Step 5: Solve for x
    x = 403,901,776.40/22,870.89
  6. Step 6: Final answer
    x = 17,660.08

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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.