Home / 13,275.48-19,913.70-5,878.68

Finding the Fourth Proportional to 13,275.48, 19,913.70 and 5,878.68

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Solution

The fourth proportional to 13,275.48, 19,913.70 and 5,878.68 is: 8,818.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,275.48 : 19,913.70 = 5,878.68 : x
  2. Step 2: Convert to fraction form
    13,275.48/19,913.70 = 5,878.68/x
  3. Step 3: Cross multiply
    13,275.48x = 19,913.70 × 5,878.68
  4. Step 4: Simplify right side
    13,275.48x = 117,066,269.92
  5. Step 5: Solve for x
    x = 117,066,269.92/13,275.48
  6. Step 6: Final answer
    x = 8,818.23

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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.