Home / 14,225.28-19,629.72-7,937.52

Finding the Fourth Proportional to 14,225.28, 19,629.72 and 7,937.52

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Solution

The fourth proportional to 14,225.28, 19,629.72 and 7,937.52 is: 10,953.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,225.28 : 19,629.72 = 7,937.52 : x
  2. Step 2: Convert to fraction form
    14,225.28/19,629.72 = 7,937.52/x
  3. Step 3: Cross multiply
    14,225.28x = 19,629.72 × 7,937.52
  4. Step 4: Simplify right side
    14,225.28x = 155,811,295.09
  5. Step 5: Solve for x
    x = 155,811,295.09/14,225.28
  6. Step 6: Final answer
    x = 10,953.13

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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.