Home / 15,618.02-23,426.80-3,771.68

Finding the Fourth Proportional to 15,618.02, 23,426.80 and 3,771.68

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Solution

The fourth proportional to 15,618.02, 23,426.80 and 3,771.68 is: 5,657.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,618.02 : 23,426.80 = 3,771.68 : x
  2. Step 2: Convert to fraction form
    15,618.02/23,426.80 = 3,771.68/x
  3. Step 3: Cross multiply
    15,618.02x = 23,426.80 × 3,771.68
  4. Step 4: Simplify right side
    15,618.02x = 88,358,393.02
  5. Step 5: Solve for x
    x = 88,358,393.02/15,618.02
  6. Step 6: Final answer
    x = 5,657.46

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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.