Home / 19,178.15-28,770.06-9,823.46

Finding the Fourth Proportional to 19,178.15, 28,770.06 and 9,823.46

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Solution

The fourth proportional to 19,178.15, 28,770.06 and 9,823.46 is: 14,736.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,178.15 : 28,770.06 = 9,823.46 : x
  2. Step 2: Convert to fraction form
    19,178.15/28,770.06 = 9,823.46/x
  3. Step 3: Cross multiply
    19,178.15x = 28,770.06 × 9,823.46
  4. Step 4: Simplify right side
    19,178.15x = 282,621,533.61
  5. Step 5: Solve for x
    x = 282,621,533.61/19,178.15
  6. Step 6: Final answer
    x = 14,736.64

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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.