Home / 19,130.96-28,707.56-8,036.80

Finding the Fourth Proportional to 19,130.96, 28,707.56 and 8,036.80

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Solution

The fourth proportional to 19,130.96, 28,707.56 and 8,036.80 is: 12,059.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,130.96 : 28,707.56 = 8,036.80 : x
  2. Step 2: Convert to fraction form
    19,130.96/28,707.56 = 8,036.80/x
  3. Step 3: Cross multiply
    19,130.96x = 28,707.56 × 8,036.80
  4. Step 4: Simplify right side
    19,130.96x = 230,716,918.21
  5. Step 5: Solve for x
    x = 230,716,918.21/19,130.96
  6. Step 6: Final answer
    x = 12,059.87

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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.