Home / 14,003.75-19,325.24-7,715.99

Finding the Fourth Proportional to 14,003.75, 19,325.24 and 7,715.99

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Solution

The fourth proportional to 14,003.75, 19,325.24 and 7,715.99 is: 10,648.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003.75 : 19,325.24 = 7,715.99 : x
  2. Step 2: Convert to fraction form
    14,003.75/19,325.24 = 7,715.99/x
  3. Step 3: Cross multiply
    14,003.75x = 19,325.24 × 7,715.99
  4. Step 4: Simplify right side
    14,003.75x = 149,113,320.01
  5. Step 5: Solve for x
    x = 149,113,320.01/14,003.75
  6. Step 6: Final answer
    x = 10,648.10

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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.