Home / 17,178.02-25,772.16-7,187.58

Finding the Fourth Proportional to 17,178.02, 25,772.16 and 7,187.58

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Solution

The fourth proportional to 17,178.02, 25,772.16 and 7,187.58 is: 10,783.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,178.02 : 25,772.16 = 7,187.58 : x
  2. Step 2: Convert to fraction form
    17,178.02/25,772.16 = 7,187.58/x
  3. Step 3: Cross multiply
    17,178.02x = 25,772.16 × 7,187.58
  4. Step 4: Simplify right side
    17,178.02x = 185,239,461.77
  5. Step 5: Solve for x
    x = 185,239,461.77/17,178.02
  6. Step 6: Final answer
    x = 10,783.52

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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.