Home / 15,264.50-21,066.74-9,299.66

Finding the Fourth Proportional to 15,264.50, 21,066.74 and 9,299.66

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Solution

The fourth proportional to 15,264.50, 21,066.74 and 9,299.66 is: 12,834.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,264.50 : 21,066.74 = 9,299.66 : x
  2. Step 2: Convert to fraction form
    15,264.50/21,066.74 = 9,299.66/x
  3. Step 3: Cross multiply
    15,264.50x = 21,066.74 × 9,299.66
  4. Step 4: Simplify right side
    15,264.50x = 195,913,519.31
  5. Step 5: Solve for x
    x = 195,913,519.31/15,264.50
  6. Step 6: Final answer
    x = 12,834.58

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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.