Home / 14,908.74-20,583.12-9,877.32

Finding the Fourth Proportional to 14,908.74, 20,583.12 and 9,877.32

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Solution

The fourth proportional to 14,908.74, 20,583.12 and 9,877.32 is: 13,636.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,908.74 : 20,583.12 = 9,877.32 : x
  2. Step 2: Convert to fraction form
    14,908.74/20,583.12 = 9,877.32/x
  3. Step 3: Cross multiply
    14,908.74x = 20,583.12 × 9,877.32
  4. Step 4: Simplify right side
    14,908.74x = 203,306,062.84
  5. Step 5: Solve for x
    x = 203,306,062.84/14,908.74
  6. Step 6: Final answer
    x = 13,636.70

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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.