Home / 14,258.35-19,676.10-7,970.71

Finding the Fourth Proportional to 14,258.35, 19,676.10 and 7,970.71

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Solution

The fourth proportional to 14,258.35, 19,676.10 and 7,970.71 is: 10,999.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,258.35 : 19,676.10 = 7,970.71 : x
  2. Step 2: Convert to fraction form
    14,258.35/19,676.10 = 7,970.71/x
  3. Step 3: Cross multiply
    14,258.35x = 19,676.10 × 7,970.71
  4. Step 4: Simplify right side
    14,258.35x = 156,832,487.03
  5. Step 5: Solve for x
    x = 156,832,487.03/14,258.35
  6. Step 6: Final answer
    x = 10,999.34

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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.