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Finding the Fourth Proportional to 15,353.17, 22,910.01 and 13,698.34

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Solution

The fourth proportional to 15,353.17, 22,910.01 and 13,698.34 is: 20,440.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,353.17 : 22,910.01 = 13,698.34 : x
  2. Step 2: Convert to fraction form
    15,353.17/22,910.01 = 13,698.34/x
  3. Step 3: Cross multiply
    15,353.17x = 22,910.01 × 13,698.34
  4. Step 4: Simplify right side
    15,353.17x = 313,829,106.38
  5. Step 5: Solve for x
    x = 313,829,106.38/15,353.17
  6. Step 6: Final answer
    x = 20,440.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.