Home / 13,152.15-18,150.26-7,184.07

Finding the Fourth Proportional to 13,152.15, 18,150.26 and 7,184.07

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Solution

The fourth proportional to 13,152.15, 18,150.26 and 7,184.07 is: 9,914.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,152.15 : 18,150.26 = 7,184.07 : x
  2. Step 2: Convert to fraction form
    13,152.15/18,150.26 = 7,184.07/x
  3. Step 3: Cross multiply
    13,152.15x = 18,150.26 × 7,184.07
  4. Step 4: Simplify right side
    13,152.15x = 130,392,702.44
  5. Step 5: Solve for x
    x = 130,392,702.44/13,152.15
  6. Step 6: Final answer
    x = 9,914.17

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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.