Home / 14,521.65-21,763.32-5,751.78

Finding the Fourth Proportional to 14,521.65, 21,763.32 and 5,751.78

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Solution

The fourth proportional to 14,521.65, 21,763.32 and 5,751.78 is: 8,620.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,521.65 : 21,763.32 = 5,751.78 : x
  2. Step 2: Convert to fraction form
    14,521.65/21,763.32 = 5,751.78/x
  3. Step 3: Cross multiply
    14,521.65x = 21,763.32 × 5,751.78
  4. Step 4: Simplify right side
    14,521.65x = 125,177,828.71
  5. Step 5: Solve for x
    x = 125,177,828.71/14,521.65
  6. Step 6: Final answer
    x = 8,620.08

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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.