Home / 15,699.60-23,549.40-4,012.20

Finding the Fourth Proportional to 15,699.60, 23,549.40 and 4,012.20

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Solution

The fourth proportional to 15,699.60, 23,549.40 and 4,012.20 is: 6,018.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,699.60 : 23,549.40 = 4,012.20 : x
  2. Step 2: Convert to fraction form
    15,699.60/23,549.40 = 4,012.20/x
  3. Step 3: Cross multiply
    15,699.60x = 23,549.40 × 4,012.20
  4. Step 4: Simplify right side
    15,699.60x = 94,484,902.68
  5. Step 5: Solve for x
    x = 94,484,902.68/15,699.60
  6. Step 6: Final answer
    x = 6,018.30

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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.