Home / 19,685.63-27,167.25-11,302.67

Finding the Fourth Proportional to 19,685.63, 27,167.25 and 11,302.67

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Solution

The fourth proportional to 19,685.63, 27,167.25 and 11,302.67 is: 15,598.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,685.63 : 27,167.25 = 11,302.67 : x
  2. Step 2: Convert to fraction form
    19,685.63/27,167.25 = 11,302.67/x
  3. Step 3: Cross multiply
    19,685.63x = 27,167.25 × 11,302.67
  4. Step 4: Simplify right side
    19,685.63x = 307,062,325.72
  5. Step 5: Solve for x
    x = 307,062,325.72/19,685.63
  6. Step 6: Final answer
    x = 15,598.30

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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.