Home / 15,786.74-23,663.45-5,253.93

Finding the Fourth Proportional to 15,786.74, 23,663.45 and 5,253.93

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Solution

The fourth proportional to 15,786.74, 23,663.45 and 5,253.93 is: 7,875.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,786.74 : 23,663.45 = 5,253.93 : x
  2. Step 2: Convert to fraction form
    15,786.74/23,663.45 = 5,253.93/x
  3. Step 3: Cross multiply
    15,786.74x = 23,663.45 × 5,253.93
  4. Step 4: Simplify right side
    15,786.74x = 124,326,122.99
  5. Step 5: Solve for x
    x = 124,326,122.99/15,786.74
  6. Step 6: Final answer
    x = 7,875.35

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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.