Home / 19,370.03-26,731.10-10,986.53

Finding the Fourth Proportional to 19,370.03, 26,731.10 and 10,986.53

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Solution

The fourth proportional to 19,370.03, 26,731.10 and 10,986.53 is: 15,161.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,370.03 : 26,731.10 = 10,986.53 : x
  2. Step 2: Convert to fraction form
    19,370.03/26,731.10 = 10,986.53/x
  3. Step 3: Cross multiply
    19,370.03x = 26,731.10 × 10,986.53
  4. Step 4: Simplify right side
    19,370.03x = 293,681,977.15
  5. Step 5: Solve for x
    x = 293,681,977.15/19,370.03
  6. Step 6: Final answer
    x = 15,161.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.