Home / 15,555.95-23,333.88-3,869.17

Finding the Fourth Proportional to 15,555.95, 23,333.88 and 3,869.17

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Solution

The fourth proportional to 15,555.95, 23,333.88 and 3,869.17 is: 5,803.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,555.95 : 23,333.88 = 3,869.17 : x
  2. Step 2: Convert to fraction form
    15,555.95/23,333.88 = 3,869.17/x
  3. Step 3: Cross multiply
    15,555.95x = 23,333.88 × 3,869.17
  4. Step 4: Simplify right side
    15,555.95x = 90,282,627.05
  5. Step 5: Solve for x
    x = 90,282,627.05/15,555.95
  6. Step 6: Final answer
    x = 5,803.74

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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.