Home / 13,475.45-18,596.70-7,507.11

Finding the Fourth Proportional to 13,475.45, 18,596.70 and 7,507.11

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Solution

The fourth proportional to 13,475.45, 18,596.70 and 7,507.11 is: 10,360.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.45 : 18,596.70 = 7,507.11 : x
  2. Step 2: Convert to fraction form
    13,475.45/18,596.70 = 7,507.11/x
  3. Step 3: Cross multiply
    13,475.45x = 18,596.70 × 7,507.11
  4. Step 4: Simplify right side
    13,475.45x = 139,607,472.54
  5. Step 5: Solve for x
    x = 139,607,472.54/13,475.45
  6. Step 6: Final answer
    x = 10,360.13

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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.