Home / 13,474.45-18,595.31-7,506.12

Finding the Fourth Proportional to 13,474.45, 18,595.31 and 7,506.12

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Solution

The fourth proportional to 13,474.45, 18,595.31 and 7,506.12 is: 10,358.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474.45 : 18,595.31 = 7,506.12 : x
  2. Step 2: Convert to fraction form
    13,474.45/18,595.31 = 7,506.12/x
  3. Step 3: Cross multiply
    13,474.45x = 18,595.31 × 7,506.12
  4. Step 4: Simplify right side
    13,474.45x = 139,578,647.06
  5. Step 5: Solve for x
    x = 139,578,647.06/13,474.45
  6. Step 6: Final answer
    x = 10,358.77

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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.