Home / 15,657.66-23,486.49-3,970.94

Finding the Fourth Proportional to 15,657.66, 23,486.49 and 3,970.94

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Solution

The fourth proportional to 15,657.66, 23,486.49 and 3,970.94 is: 5,956.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,657.66 : 23,486.49 = 3,970.94 : x
  2. Step 2: Convert to fraction form
    15,657.66/23,486.49 = 3,970.94/x
  3. Step 3: Cross multiply
    15,657.66x = 23,486.49 × 3,970.94
  4. Step 4: Simplify right side
    15,657.66x = 93,263,442.60
  5. Step 5: Solve for x
    x = 93,263,442.60/15,657.66
  6. Step 6: Final answer
    x = 5,956.41

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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.