Home / 37,212.40-55,818.60-12,588.40

Finding the Fourth Proportional to 37,212.40, 55,818.60 and 12,588.40

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Solution

The fourth proportional to 37,212.40, 55,818.60 and 12,588.40 is: 18,882.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,212.40 : 55,818.60 = 12,588.40 : x
  2. Step 2: Convert to fraction form
    37,212.40/55,818.60 = 12,588.40/x
  3. Step 3: Cross multiply
    37,212.40x = 55,818.60 × 12,588.40
  4. Step 4: Simplify right side
    37,212.40x = 702,666,864.24
  5. Step 5: Solve for x
    x = 702,666,864.24/37,212.40
  6. Step 6: Final answer
    x = 18,882.60

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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.