Home / 18,622.17-25,699.86-10,238.67

Finding the Fourth Proportional to 18,622.17, 25,699.86 and 10,238.67

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Solution

The fourth proportional to 18,622.17, 25,699.86 and 10,238.67 is: 14,130.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622.17 : 25,699.86 = 10,238.67 : x
  2. Step 2: Convert to fraction form
    18,622.17/25,699.86 = 10,238.67/x
  3. Step 3: Cross multiply
    18,622.17x = 25,699.86 × 10,238.67
  4. Step 4: Simplify right side
    18,622.17x = 263,132,385.59
  5. Step 5: Solve for x
    x = 263,132,385.59/18,622.17
  6. Step 6: Final answer
    x = 14,130.06

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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.