Home / 18,337.15-25,305.30-9,953.67

Finding the Fourth Proportional to 18,337.15, 25,305.30 and 9,953.67

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Solution

The fourth proportional to 18,337.15, 25,305.30 and 9,953.67 is: 13,736.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,337.15 : 25,305.30 = 9,953.67 : x
  2. Step 2: Convert to fraction form
    18,337.15/25,305.30 = 9,953.67/x
  3. Step 3: Cross multiply
    18,337.15x = 25,305.30 × 9,953.67
  4. Step 4: Simplify right side
    18,337.15x = 251,880,605.45
  5. Step 5: Solve for x
    x = 251,880,605.45/18,337.15
  6. Step 6: Final answer
    x = 13,736.08

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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.