Home / 14,260.50-19,681.92-7,971.66

Finding the Fourth Proportional to 14,260.50, 19,681.92 and 7,971.66

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Solution

The fourth proportional to 14,260.50, 19,681.92 and 7,971.66 is: 11,002.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.50 : 19,681.92 = 7,971.66 : x
  2. Step 2: Convert to fraction form
    14,260.50/19,681.92 = 7,971.66/x
  3. Step 3: Cross multiply
    14,260.50x = 19,681.92 × 7,971.66
  4. Step 4: Simplify right side
    14,260.50x = 156,897,574.39
  5. Step 5: Solve for x
    x = 156,897,574.39/14,260.50
  6. Step 6: Final answer
    x = 11,002.25

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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.