Home / 26,106.81-39,153.04-12,772.95

Finding the Fourth Proportional to 26,106.81, 39,153.04 and 12,772.95

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Solution

The fourth proportional to 26,106.81, 39,153.04 and 12,772.95 is: 19,155.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,106.81 : 39,153.04 = 12,772.95 : x
  2. Step 2: Convert to fraction form
    26,106.81/39,153.04 = 12,772.95/x
  3. Step 3: Cross multiply
    26,106.81x = 39,153.04 × 12,772.95
  4. Step 4: Simplify right side
    26,106.81x = 500,099,643.51
  5. Step 5: Solve for x
    x = 500,099,643.51/26,106.81
  6. Step 6: Final answer
    x = 19,155.91

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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.