Home / 19,132.17-26,407.98-13,178.67

Finding the Fourth Proportional to 19,132.17, 26,407.98 and 13,178.67

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Solution

The fourth proportional to 19,132.17, 26,407.98 and 13,178.67 is: 18,190.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,132.17 : 26,407.98 = 13,178.67 : x
  2. Step 2: Convert to fraction form
    19,132.17/26,407.98 = 13,178.67/x
  3. Step 3: Cross multiply
    19,132.17x = 26,407.98 × 13,178.67
  4. Step 4: Simplify right side
    19,132.17x = 348,022,053.79
  5. Step 5: Solve for x
    x = 348,022,053.79/19,132.17
  6. Step 6: Final answer
    x = 18,190.41

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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.