Home / 14,002.66-19,323.73-7,715.04

Finding the Fourth Proportional to 14,002.66, 19,323.73 and 7,715.04

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Solution

The fourth proportional to 14,002.66, 19,323.73 and 7,715.04 is: 10,646.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,002.66 : 19,323.73 = 7,715.04 : x
  2. Step 2: Convert to fraction form
    14,002.66/19,323.73 = 7,715.04/x
  3. Step 3: Cross multiply
    14,002.66x = 19,323.73 × 7,715.04
  4. Step 4: Simplify right side
    14,002.66x = 149,083,349.90
  5. Step 5: Solve for x
    x = 149,083,349.90/14,002.66
  6. Step 6: Final answer
    x = 10,646.79

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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.