Home / 13,330.02-18,395.35-7,362.07

Finding the Fourth Proportional to 13,330.02, 18,395.35 and 7,362.07

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Solution

The fourth proportional to 13,330.02, 18,395.35 and 7,362.07 is: 10,159.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.02 : 18,395.35 = 7,362.07 : x
  2. Step 2: Convert to fraction form
    13,330.02/18,395.35 = 7,362.07/x
  3. Step 3: Cross multiply
    13,330.02x = 18,395.35 × 7,362.07
  4. Step 4: Simplify right side
    13,330.02x = 135,427,854.37
  5. Step 5: Solve for x
    x = 135,427,854.37/13,330.02
  6. Step 6: Final answer
    x = 10,159.61

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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.