Home / 14,336.60-19,782.72-7,963.16

Finding the Fourth Proportional to 14,336.60, 19,782.72 and 7,963.16

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Solution

The fourth proportional to 14,336.60, 19,782.72 and 7,963.16 is: 10,988.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,336.60 : 19,782.72 = 7,963.16 : x
  2. Step 2: Convert to fraction form
    14,336.60/19,782.72 = 7,963.16/x
  3. Step 3: Cross multiply
    14,336.60x = 19,782.72 × 7,963.16
  4. Step 4: Simplify right side
    14,336.60x = 157,532,964.60
  5. Step 5: Solve for x
    x = 157,532,964.60/14,336.60
  6. Step 6: Final answer
    x = 10,988.17

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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.