Home / 19,421.17-26,801.13-11,037.67

Finding the Fourth Proportional to 19,421.17, 26,801.13 and 11,037.67

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Solution

The fourth proportional to 19,421.17, 26,801.13 and 11,037.67 is: 15,231.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,421.17 : 26,801.13 = 11,037.67 : x
  2. Step 2: Convert to fraction form
    19,421.17/26,801.13 = 11,037.67/x
  3. Step 3: Cross multiply
    19,421.17x = 26,801.13 × 11,037.67
  4. Step 4: Simplify right side
    19,421.17x = 295,822,028.57
  5. Step 5: Solve for x
    x = 295,822,028.57/19,421.17
  6. Step 6: Final answer
    x = 15,231.94

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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.