Home / 15,555.20-23,332.69-4,461.90

Finding the Fourth Proportional to 15,555.20, 23,332.69 and 4,461.90

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Solution

The fourth proportional to 15,555.20, 23,332.69 and 4,461.90 is: 6,692.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,555.20 : 23,332.69 = 4,461.90 : x
  2. Step 2: Convert to fraction form
    15,555.20/23,332.69 = 4,461.90/x
  3. Step 3: Cross multiply
    15,555.20x = 23,332.69 × 4,461.90
  4. Step 4: Simplify right side
    15,555.20x = 104,108,129.51
  5. Step 5: Solve for x
    x = 104,108,129.51/15,555.20
  6. Step 6: Final answer
    x = 6,692.82

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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.