Home / 19,126.86-26,390.76-10,742.82

Finding the Fourth Proportional to 19,126.86, 26,390.76 and 10,742.82

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Solution

The fourth proportional to 19,126.86, 26,390.76 and 10,742.82 is: 14,822.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,126.86 : 26,390.76 = 10,742.82 : x
  2. Step 2: Convert to fraction form
    19,126.86/26,390.76 = 10,742.82/x
  3. Step 3: Cross multiply
    19,126.86x = 26,390.76 × 10,742.82
  4. Step 4: Simplify right side
    19,126.86x = 283,511,184.34
  5. Step 5: Solve for x
    x = 283,511,184.34/19,126.86
  6. Step 6: Final answer
    x = 14,822.67

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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.