Home / 18,223.18-27,332.94-5,075.66

Finding the Fourth Proportional to 18,223.18, 27,332.94 and 5,075.66

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Solution

The fourth proportional to 18,223.18, 27,332.94 and 5,075.66 is: 7,612.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,223.18 : 27,332.94 = 5,075.66 : x
  2. Step 2: Convert to fraction form
    18,223.18/27,332.94 = 5,075.66/x
  3. Step 3: Cross multiply
    18,223.18x = 27,332.94 × 5,075.66
  4. Step 4: Simplify right side
    18,223.18x = 138,732,710.24
  5. Step 5: Solve for x
    x = 138,732,710.24/18,223.18
  6. Step 6: Final answer
    x = 7,612.98

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1.5x scale

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.