Home / 18,970.23-26,179.47-10,472.88

Finding the Fourth Proportional to 18,970.23, 26,179.47 and 10,472.88

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Solution

The fourth proportional to 18,970.23, 26,179.47 and 10,472.88 is: 14,452.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,970.23 : 26,179.47 = 10,472.88 : x
  2. Step 2: Convert to fraction form
    18,970.23/26,179.47 = 10,472.88/x
  3. Step 3: Cross multiply
    18,970.23x = 26,179.47 × 10,472.88
  4. Step 4: Simplify right side
    18,970.23x = 274,174,447.77
  5. Step 5: Solve for x
    x = 274,174,447.77/18,970.23
  6. Step 6: Final answer
    x = 14,452.88

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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.