Home / 14,319.07-19,760.29-7,946.64

Finding the Fourth Proportional to 14,319.07, 19,760.29 and 7,946.64

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Solution

The fourth proportional to 14,319.07, 19,760.29 and 7,946.64 is: 10,966.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,319.07 : 19,760.29 = 7,946.64 : x
  2. Step 2: Convert to fraction form
    14,319.07/19,760.29 = 7,946.64/x
  3. Step 3: Cross multiply
    14,319.07x = 19,760.29 × 7,946.64
  4. Step 4: Simplify right side
    14,319.07x = 157,027,910.93
  5. Step 5: Solve for x
    x = 157,027,910.93/14,319.07
  6. Step 6: Final answer
    x = 10,966.35

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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.