Home / 14,258.59-19,676.29-7,884.77

Finding the Fourth Proportional to 14,258.59, 19,676.29 and 7,884.77

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Solution

The fourth proportional to 14,258.59, 19,676.29 and 7,884.77 is: 10,880.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,258.59 : 19,676.29 = 7,884.77 : x
  2. Step 2: Convert to fraction form
    14,258.59/19,676.29 = 7,884.77/x
  3. Step 3: Cross multiply
    14,258.59x = 19,676.29 × 7,884.77
  4. Step 4: Simplify right side
    14,258.59x = 155,142,995.31
  5. Step 5: Solve for x
    x = 155,142,995.31/14,258.59
  6. Step 6: Final answer
    x = 10,880.67

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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.