Home / 14,258.28-19,676.10-7,971.24

Finding the Fourth Proportional to 14,258.28, 19,676.10 and 7,971.24

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Solution

The fourth proportional to 14,258.28, 19,676.10 and 7,971.24 is: 11,000.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,258.28 : 19,676.10 = 7,971.24 : x
  2. Step 2: Convert to fraction form
    14,258.28/19,676.10 = 7,971.24/x
  3. Step 3: Cross multiply
    14,258.28x = 19,676.10 × 7,971.24
  4. Step 4: Simplify right side
    14,258.28x = 156,842,915.36
  5. Step 5: Solve for x
    x = 156,842,915.36/14,258.28
  6. Step 6: Final answer
    x = 11,000.13

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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.