Home / 13,330.17-18,396.05-7,362.23

Finding the Fourth Proportional to 13,330.17, 18,396.05 and 7,362.23

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Solution

The fourth proportional to 13,330.17, 18,396.05 and 7,362.23 is: 10,160.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.17 : 18,396.05 = 7,362.23 : x
  2. Step 2: Convert to fraction form
    13,330.17/18,396.05 = 7,362.23/x
  3. Step 3: Cross multiply
    13,330.17x = 18,396.05 × 7,362.23
  4. Step 4: Simplify right side
    13,330.17x = 135,435,822.40
  5. Step 5: Solve for x
    x = 135,435,822.40/13,330.17
  6. Step 6: Final answer
    x = 10,160.10

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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.