Home / 25,730.02-38,630.73-13,258.99

Finding the Fourth Proportional to 25,730.02, 38,630.73 and 13,258.99

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Solution

The fourth proportional to 25,730.02, 38,630.73 and 13,258.99 is: 19,906.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,730.02 : 38,630.73 = 13,258.99 : x
  2. Step 2: Convert to fraction form
    25,730.02/38,630.73 = 13,258.99/x
  3. Step 3: Cross multiply
    25,730.02x = 38,630.73 × 13,258.99
  4. Step 4: Simplify right side
    25,730.02x = 512,204,462.76
  5. Step 5: Solve for x
    x = 512,204,462.76/25,730.02
  6. Step 6: Final answer
    x = 19,906.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.