Home / 13,168.81-19,749.19-6,925.43

Finding the Fourth Proportional to 13,168.81, 19,749.19 and 6,925.43

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Solution

The fourth proportional to 13,168.81, 19,749.19 and 6,925.43 is: 10,386.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,168.81 : 19,749.19 = 6,925.43 : x
  2. Step 2: Convert to fraction form
    13,168.81/19,749.19 = 6,925.43/x
  3. Step 3: Cross multiply
    13,168.81x = 19,749.19 × 6,925.43
  4. Step 4: Simplify right side
    13,168.81x = 136,771,632.90
  5. Step 5: Solve for x
    x = 136,771,632.90/13,168.81
  6. Step 6: Final answer
    x = 10,386.03

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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.