Home / 35,837.76-53,769.78-12,470.88

Finding the Fourth Proportional to 35,837.76, 53,769.78 and 12,470.88

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Solution

The fourth proportional to 35,837.76, 53,769.78 and 12,470.88 is: 18,710.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,837.76 : 53,769.78 = 12,470.88 : x
  2. Step 2: Convert to fraction form
    35,837.76/53,769.78 = 12,470.88/x
  3. Step 3: Cross multiply
    35,837.76x = 53,769.78 × 12,470.88
  4. Step 4: Simplify right side
    35,837.76x = 670,556,474.01
  5. Step 5: Solve for x
    x = 670,556,474.01/35,837.76
  6. Step 6: Final answer
    x = 18,710.89

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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.