Home / 19,529.48-26,950.80-10,915.66

Finding the Fourth Proportional to 19,529.48, 26,950.80 and 10,915.66

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Solution

The fourth proportional to 19,529.48, 26,950.80 and 10,915.66 is: 15,063.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,529.48 : 26,950.80 = 10,915.66 : x
  2. Step 2: Convert to fraction form
    19,529.48/26,950.80 = 10,915.66/x
  3. Step 3: Cross multiply
    19,529.48x = 26,950.80 × 10,915.66
  4. Step 4: Simplify right side
    19,529.48x = 294,185,769.53
  5. Step 5: Solve for x
    x = 294,185,769.53/19,529.48
  6. Step 6: Final answer
    x = 15,063.68

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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.