Home / 18,075.76-27,110.56-4,925.05

Finding the Fourth Proportional to 18,075.76, 27,110.56 and 4,925.05

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Solution

The fourth proportional to 18,075.76, 27,110.56 and 4,925.05 is: 7,386.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,075.76 : 27,110.56 = 4,925.05 : x
  2. Step 2: Convert to fraction form
    18,075.76/27,110.56 = 4,925.05/x
  3. Step 3: Cross multiply
    18,075.76x = 27,110.56 × 4,925.05
  4. Step 4: Simplify right side
    18,075.76x = 133,520,863.53
  5. Step 5: Solve for x
    x = 133,520,863.53/18,075.76
  6. Step 6: Final answer
    x = 7,386.74

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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.