Home / 18,075.15-27,108.47-4,924.40

Finding the Fourth Proportional to 18,075.15, 27,108.47 and 4,924.40

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Solution

The fourth proportional to 18,075.15, 27,108.47 and 4,924.40 is: 7,385.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,075.15 : 27,108.47 = 4,924.40 : x
  2. Step 2: Convert to fraction form
    18,075.15/27,108.47 = 4,924.40/x
  3. Step 3: Cross multiply
    18,075.15x = 27,108.47 × 4,924.40
  4. Step 4: Simplify right side
    18,075.15x = 133,492,826.44
  5. Step 5: Solve for x
    x = 133,492,826.44/18,075.15
  6. Step 6: Final answer
    x = 7,385.43

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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.