Home / 19,501.21-26,911.63-11,003.30

Finding the Fourth Proportional to 19,501.21, 26,911.63 and 11,003.30

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Solution

The fourth proportional to 19,501.21, 26,911.63 and 11,003.30 is: 15,184.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,501.21 : 26,911.63 = 11,003.30 : x
  2. Step 2: Convert to fraction form
    19,501.21/26,911.63 = 11,003.30/x
  3. Step 3: Cross multiply
    19,501.21x = 26,911.63 × 11,003.30
  4. Step 4: Simplify right side
    19,501.21x = 296,116,738.38
  5. Step 5: Solve for x
    x = 296,116,738.38/19,501.21
  6. Step 6: Final answer
    x = 15,184.53

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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.