Home / 25,729.77-35,508.06-14,973.78

Finding the Fourth Proportional to 25,729.77, 35,508.06 and 14,973.78

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Solution

The fourth proportional to 25,729.77, 35,508.06 and 14,973.78 is: 20,664.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,729.77 : 35,508.06 = 14,973.78 : x
  2. Step 2: Convert to fraction form
    25,729.77/35,508.06 = 14,973.78/x
  3. Step 3: Cross multiply
    25,729.77x = 35,508.06 × 14,973.78
  4. Step 4: Simplify right side
    25,729.77x = 531,689,878.67
  5. Step 5: Solve for x
    x = 531,689,878.67/25,729.77
  6. Step 6: Final answer
    x = 20,664.39

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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.