Home / 14,223.84-19,629.42-7,937.42

Finding the Fourth Proportional to 14,223.84, 19,629.42 and 7,937.42

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Solution

The fourth proportional to 14,223.84, 19,629.42 and 7,937.42 is: 10,953.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223.84 : 19,629.42 = 7,937.42 : x
  2. Step 2: Convert to fraction form
    14,223.84/19,629.42 = 7,937.42/x
  3. Step 3: Cross multiply
    14,223.84x = 19,629.42 × 7,937.42
  4. Step 4: Simplify right side
    14,223.84x = 155,806,950.90
  5. Step 5: Solve for x
    x = 155,806,950.90/14,223.84
  6. Step 6: Final answer
    x = 10,953.93

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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.