Home / 26,530.50-36,612.09-15,352.50

Finding the Fourth Proportional to 26,530.50, 36,612.09 and 15,352.50

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Solution

The fourth proportional to 26,530.50, 36,612.09 and 15,352.50 is: 21,186.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,530.50 : 36,612.09 = 15,352.50 : x
  2. Step 2: Convert to fraction form
    26,530.50/36,612.09 = 15,352.50/x
  3. Step 3: Cross multiply
    26,530.50x = 36,612.09 × 15,352.50
  4. Step 4: Simplify right side
    26,530.50x = 562,087,111.73
  5. Step 5: Solve for x
    x = 562,087,111.73/26,530.50
  6. Step 6: Final answer
    x = 21,186.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.