Home / 19,915.92-27,484.29-10,964.34

Finding the Fourth Proportional to 19,915.92, 27,484.29 and 10,964.34

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Solution

The fourth proportional to 19,915.92, 27,484.29 and 10,964.34 is: 15,130.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,915.92 : 27,484.29 = 10,964.34 : x
  2. Step 2: Convert to fraction form
    19,915.92/27,484.29 = 10,964.34/x
  3. Step 3: Cross multiply
    19,915.92x = 27,484.29 × 10,964.34
  4. Step 4: Simplify right side
    19,915.92x = 301,347,100.22
  5. Step 5: Solve for x
    x = 301,347,100.22/19,915.92
  6. Step 6: Final answer
    x = 15,130.97

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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.