Home / 13,468.29-18,586.44-7,803.45

Finding the Fourth Proportional to 13,468.29, 18,586.44 and 7,803.45

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Solution

The fourth proportional to 13,468.29, 18,586.44 and 7,803.45 is: 10,768.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,468.29 : 18,586.44 = 7,803.45 : x
  2. Step 2: Convert to fraction form
    13,468.29/18,586.44 = 7,803.45/x
  3. Step 3: Cross multiply
    13,468.29x = 18,586.44 × 7,803.45
  4. Step 4: Simplify right side
    13,468.29x = 145,038,355.22
  5. Step 5: Solve for x
    x = 145,038,355.22/13,468.29
  6. Step 6: Final answer
    x = 10,768.88

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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.