Home / 19,276.92-28,914.90-8,888.66

Finding the Fourth Proportional to 19,276.92, 28,914.90 and 8,888.66

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Solution

The fourth proportional to 19,276.92, 28,914.90 and 8,888.66 is: 13,332.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,276.92 : 28,914.90 = 8,888.66 : x
  2. Step 2: Convert to fraction form
    19,276.92/28,914.90 = 8,888.66/x
  3. Step 3: Cross multiply
    19,276.92x = 28,914.90 × 8,888.66
  4. Step 4: Simplify right side
    19,276.92x = 257,014,715.03
  5. Step 5: Solve for x
    x = 257,014,715.03/19,276.92
  6. Step 6: Final answer
    x = 13,332.77

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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.