Home / 15,264.50-21,064.74-8,550.06

Finding the Fourth Proportional to 15,264.50, 21,064.74 and 8,550.06

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Solution

The fourth proportional to 15,264.50, 21,064.74 and 8,550.06 is: 11,798.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,264.50 : 21,064.74 = 8,550.06 : x
  2. Step 2: Convert to fraction form
    15,264.50/21,064.74 = 8,550.06/x
  3. Step 3: Cross multiply
    15,264.50x = 21,064.74 × 8,550.06
  4. Step 4: Simplify right side
    15,264.50x = 180,104,790.88
  5. Step 5: Solve for x
    x = 180,104,790.88/15,264.50
  6. Step 6: Final answer
    x = 11,798.93

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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.