Home / 13,001.96-19,488.62-5,102.10

Finding the Fourth Proportional to 13,001.96, 19,488.62 and 5,102.10

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Solution

The fourth proportional to 13,001.96, 19,488.62 and 5,102.10 is: 7,647.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001.96 : 19,488.62 = 5,102.10 : x
  2. Step 2: Convert to fraction form
    13,001.96/19,488.62 = 5,102.10/x
  3. Step 3: Cross multiply
    13,001.96x = 19,488.62 × 5,102.10
  4. Step 4: Simplify right side
    13,001.96x = 99,432,888.10
  5. Step 5: Solve for x
    x = 99,432,888.10/13,001.96
  6. Step 6: Final answer
    x = 7,647.53

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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.