Home / 43,182.44-64,774.08-12,020.12

Finding the Fourth Proportional to 43,182.44, 64,774.08 and 12,020.12

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Solution

The fourth proportional to 43,182.44, 64,774.08 and 12,020.12 is: 18,030.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,182.44 : 64,774.08 = 12,020.12 : x
  2. Step 2: Convert to fraction form
    43,182.44/64,774.08 = 12,020.12/x
  3. Step 3: Cross multiply
    43,182.44x = 64,774.08 × 12,020.12
  4. Step 4: Simplify right side
    43,182.44x = 778,592,214.49
  5. Step 5: Solve for x
    x = 778,592,214.49/43,182.44
  6. Step 6: Final answer
    x = 18,030.30

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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.