Home / 14,020.36-19,347.66-7,971.27

Finding the Fourth Proportional to 14,020.36, 19,347.66 and 7,971.27

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Solution

The fourth proportional to 14,020.36, 19,347.66 and 7,971.27 is: 11,000.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.36 : 19,347.66 = 7,971.27 : x
  2. Step 2: Convert to fraction form
    14,020.36/19,347.66 = 7,971.27/x
  3. Step 3: Cross multiply
    14,020.36x = 19,347.66 × 7,971.27
  4. Step 4: Simplify right side
    14,020.36x = 154,225,349.17
  5. Step 5: Solve for x
    x = 154,225,349.17/14,020.36
  6. Step 6: Final answer
    x = 11,000.10

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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.