Home / 13,362.90-18,440.02-7,395.02

Finding the Fourth Proportional to 13,362.90, 18,440.02 and 7,395.02

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Solution

The fourth proportional to 13,362.90, 18,440.02 and 7,395.02 is: 10,204.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362.90 : 18,440.02 = 7,395.02 : x
  2. Step 2: Convert to fraction form
    13,362.90/18,440.02 = 7,395.02/x
  3. Step 3: Cross multiply
    13,362.90x = 18,440.02 × 7,395.02
  4. Step 4: Simplify right side
    13,362.90x = 136,364,316.70
  5. Step 5: Solve for x
    x = 136,364,316.70/13,362.90
  6. Step 6: Final answer
    x = 10,204.69

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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.