Home / 23,385.65-35,078.16-15,870.57

Finding the Fourth Proportional to 23,385.65, 35,078.16 and 15,870.57

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Solution

The fourth proportional to 23,385.65, 35,078.16 and 15,870.57 is: 23,805.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,385.65 : 35,078.16 = 15,870.57 : x
  2. Step 2: Convert to fraction form
    23,385.65/35,078.16 = 15,870.57/x
  3. Step 3: Cross multiply
    23,385.65x = 35,078.16 × 15,870.57
  4. Step 4: Simplify right side
    23,385.65x = 556,710,321.72
  5. Step 5: Solve for x
    x = 556,710,321.72/23,385.65
  6. Step 6: Final answer
    x = 23,805.64

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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.