Home / 19,415.90-26,772.94-14,929.76

Finding the Fourth Proportional to 19,415.90, 26,772.94 and 14,929.76

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Solution

The fourth proportional to 19,415.90, 26,772.94 and 14,929.76 is: 20,586.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,415.90 : 26,772.94 = 14,929.76 : x
  2. Step 2: Convert to fraction form
    19,415.90/26,772.94 = 14,929.76/x
  3. Step 3: Cross multiply
    19,415.90x = 26,772.94 × 14,929.76
  4. Step 4: Simplify right side
    19,415.90x = 399,713,568.69
  5. Step 5: Solve for x
    x = 399,713,568.69/19,415.90
  6. Step 6: Final answer
    x = 20,586.92

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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.