Home / 15,095.80-22,643.70-11,207.80

Finding the Fourth Proportional to 15,095.80, 22,643.70 and 11,207.80

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Solution

The fourth proportional to 15,095.80, 22,643.70 and 11,207.80 is: 16,811.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,095.80 : 22,643.70 = 11,207.80 : x
  2. Step 2: Convert to fraction form
    15,095.80/22,643.70 = 11,207.80/x
  3. Step 3: Cross multiply
    15,095.80x = 22,643.70 × 11,207.80
  4. Step 4: Simplify right side
    15,095.80x = 253,786,060.86
  5. Step 5: Solve for x
    x = 253,786,060.86/15,095.80
  6. Step 6: Final answer
    x = 16,811.70

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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.