Home / 12,913.01-19,357.66-5,020.77

Finding the Fourth Proportional to 12,913.01, 19,357.66 and 5,020.77

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Solution

The fourth proportional to 12,913.01, 19,357.66 and 5,020.77 is: 7,526.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,913.01 : 19,357.66 = 5,020.77 : x
  2. Step 2: Convert to fraction form
    12,913.01/19,357.66 = 5,020.77/x
  3. Step 3: Cross multiply
    12,913.01x = 19,357.66 × 5,020.77
  4. Step 4: Simplify right side
    12,913.01x = 97,190,358.60
  5. Step 5: Solve for x
    x = 97,190,358.60/12,913.01
  6. Step 6: Final answer
    x = 7,526.55

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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.