Home / 13,357.02-18,433.02-7,388.76

Finding the Fourth Proportional to 13,357.02, 18,433.02 and 7,388.76

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Solution

The fourth proportional to 13,357.02, 18,433.02 and 7,388.76 is: 10,196.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357.02 : 18,433.02 = 7,388.76 : x
  2. Step 2: Convert to fraction form
    13,357.02/18,433.02 = 7,388.76/x
  3. Step 3: Cross multiply
    13,357.02x = 18,433.02 × 7,388.76
  4. Step 4: Simplify right side
    13,357.02x = 136,197,160.86
  5. Step 5: Solve for x
    x = 136,197,160.86/13,357.02
  6. Step 6: Final answer
    x = 10,196.67

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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.