Home / 18,848.30-28,271.84-5,699.57

Finding the Fourth Proportional to 18,848.30, 28,271.84 and 5,699.57

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Solution

The fourth proportional to 18,848.30, 28,271.84 and 5,699.57 is: 8,549.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,848.30 : 28,271.84 = 5,699.57 : x
  2. Step 2: Convert to fraction form
    18,848.30/28,271.84 = 5,699.57/x
  3. Step 3: Cross multiply
    18,848.30x = 28,271.84 × 5,699.57
  4. Step 4: Simplify right side
    18,848.30x = 161,137,161.25
  5. Step 5: Solve for x
    x = 161,137,161.25/18,848.30
  6. Step 6: Final answer
    x = 8,549.16

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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.