Home / 13,647.87-18,833.76-7,598.07

Finding the Fourth Proportional to 13,647.87, 18,833.76 and 7,598.07

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Solution

The fourth proportional to 13,647.87, 18,833.76 and 7,598.07 is: 10,485.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,647.87 : 18,833.76 = 7,598.07 : x
  2. Step 2: Convert to fraction form
    13,647.87/18,833.76 = 7,598.07/x
  3. Step 3: Cross multiply
    13,647.87x = 18,833.76 × 7,598.07
  4. Step 4: Simplify right side
    13,647.87x = 143,100,226.84
  5. Step 5: Solve for x
    x = 143,100,226.84/13,647.87
  6. Step 6: Final answer
    x = 10,485.17

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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.