Home / 15,865.46-23,799.40-4,178.50

Finding the Fourth Proportional to 15,865.46, 23,799.40 and 4,178.50

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Solution

The fourth proportional to 15,865.46, 23,799.40 and 4,178.50 is: 6,268.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,865.46 : 23,799.40 = 4,178.50 : x
  2. Step 2: Convert to fraction form
    15,865.46/23,799.40 = 4,178.50/x
  3. Step 3: Cross multiply
    15,865.46x = 23,799.40 × 4,178.50
  4. Step 4: Simplify right side
    15,865.46x = 99,445,792.90
  5. Step 5: Solve for x
    x = 99,445,792.90/15,865.46
  6. Step 6: Final answer
    x = 6,268.07

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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.