Home / 13,307.89-19,951-4,983.24

Finding the Fourth Proportional to 13,307.89, 19,951 and 4,983.24

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Solution

The fourth proportional to 13,307.89, 19,951 and 4,983.24 is: 7,470.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307.89 : 19,951 = 4,983.24 : x
  2. Step 2: Convert to fraction form
    13,307.89/19,951 = 4,983.24/x
  3. Step 3: Cross multiply
    13,307.89x = 19,951 × 4,983.24
  4. Step 4: Simplify right side
    13,307.89x = 99,420,621.24
  5. Step 5: Solve for x
    x = 99,420,621.24/13,307.89
  6. Step 6: Final answer
    x = 7,470.80

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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.