Home / 45,287.48-67,925.96-12,009.84

Finding the Fourth Proportional to 45,287.48, 67,925.96 and 12,009.84

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Solution

The fourth proportional to 45,287.48, 67,925.96 and 12,009.84 is: 18,013.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,287.48 : 67,925.96 = 12,009.84 : x
  2. Step 2: Convert to fraction form
    45,287.48/67,925.96 = 12,009.84/x
  3. Step 3: Cross multiply
    45,287.48x = 67,925.96 × 12,009.84
  4. Step 4: Simplify right side
    45,287.48x = 815,779,911.45
  5. Step 5: Solve for x
    x = 815,779,911.45/45,287.48
  6. Step 6: Final answer
    x = 18,013.37

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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.