Home / 13,112.07-19,668.03-5,614.50

Finding the Fourth Proportional to 13,112.07, 19,668.03 and 5,614.50

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Solution

The fourth proportional to 13,112.07, 19,668.03 and 5,614.50 is: 8,421.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,112.07 : 19,668.03 = 5,614.50 : x
  2. Step 2: Convert to fraction form
    13,112.07/19,668.03 = 5,614.50/x
  3. Step 3: Cross multiply
    13,112.07x = 19,668.03 × 5,614.50
  4. Step 4: Simplify right side
    13,112.07x = 110,426,154.44
  5. Step 5: Solve for x
    x = 110,426,154.44/13,112.07
  6. Step 6: Final answer
    x = 8,421.72

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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.