Home / 13,175.32-18,188.58-10,184.40

Finding the Fourth Proportional to 13,175.32, 18,188.58 and 10,184.40

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Solution

The fourth proportional to 13,175.32, 18,188.58 and 10,184.40 is: 14,059.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175.32 : 18,188.58 = 10,184.40 : x
  2. Step 2: Convert to fraction form
    13,175.32/18,188.58 = 10,184.40/x
  3. Step 3: Cross multiply
    13,175.32x = 18,188.58 × 10,184.40
  4. Step 4: Simplify right side
    13,175.32x = 185,239,774.15
  5. Step 5: Solve for x
    x = 185,239,774.15/13,175.32
  6. Step 6: Final answer
    x = 14,059.60

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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.