Home / 13,546.55-18,690.63-9,298.91

Finding the Fourth Proportional to 13,546.55, 18,690.63 and 9,298.91

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Solution

The fourth proportional to 13,546.55, 18,690.63 and 9,298.91 is: 12,830.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,546.55 : 18,690.63 = 9,298.91 : x
  2. Step 2: Convert to fraction form
    13,546.55/18,690.63 = 9,298.91/x
  3. Step 3: Cross multiply
    13,546.55x = 18,690.63 × 9,298.91
  4. Step 4: Simplify right side
    13,546.55x = 173,802,392.76
  5. Step 5: Solve for x
    x = 173,802,392.76/13,546.55
  6. Step 6: Final answer
    x = 12,830.02

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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.