Home / 14,812.47-22,187.57-6,921.65

Finding the Fourth Proportional to 14,812.47, 22,187.57 and 6,921.65

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Solution

The fourth proportional to 14,812.47, 22,187.57 and 6,921.65 is: 10,367.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,812.47 : 22,187.57 = 6,921.65 : x
  2. Step 2: Convert to fraction form
    14,812.47/22,187.57 = 6,921.65/x
  3. Step 3: Cross multiply
    14,812.47x = 22,187.57 × 6,921.65
  4. Step 4: Simplify right side
    14,812.47x = 153,574,653.69
  5. Step 5: Solve for x
    x = 153,574,653.69/14,812.47
  6. Step 6: Final answer
    x = 10,367.93

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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.