Home / 14,124.47-19,493.31-8,158.01

Finding the Fourth Proportional to 14,124.47, 19,493.31 and 8,158.01

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Solution

The fourth proportional to 14,124.47, 19,493.31 and 8,158.01 is: 11,258.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.47 : 19,493.31 = 8,158.01 : x
  2. Step 2: Convert to fraction form
    14,124.47/19,493.31 = 8,158.01/x
  3. Step 3: Cross multiply
    14,124.47x = 19,493.31 × 8,158.01
  4. Step 4: Simplify right side
    14,124.47x = 159,026,520.45
  5. Step 5: Solve for x
    x = 159,026,520.45/14,124.47
  6. Step 6: Final answer
    x = 11,258.94

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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.