Home / 13,362.01-18,436.95-7,392.56

Finding the Fourth Proportional to 13,362.01, 18,436.95 and 7,392.56

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Solution

The fourth proportional to 13,362.01, 18,436.95 and 7,392.56 is: 10,200.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362.01 : 18,436.95 = 7,392.56 : x
  2. Step 2: Convert to fraction form
    13,362.01/18,436.95 = 7,392.56/x
  3. Step 3: Cross multiply
    13,362.01x = 18,436.95 × 7,392.56
  4. Step 4: Simplify right side
    13,362.01x = 136,296,259.09
  5. Step 5: Solve for x
    x = 136,296,259.09/13,362.01
  6. Step 6: Final answer
    x = 10,200.28

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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.