Home / 13,846.06-19,106.85-7,877.61

Finding the Fourth Proportional to 13,846.06, 19,106.85 and 7,877.61

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Solution

The fourth proportional to 13,846.06, 19,106.85 and 7,877.61 is: 10,870.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,846.06 : 19,106.85 = 7,877.61 : x
  2. Step 2: Convert to fraction form
    13,846.06/19,106.85 = 7,877.61/x
  3. Step 3: Cross multiply
    13,846.06x = 19,106.85 × 7,877.61
  4. Step 4: Simplify right side
    13,846.06x = 150,516,312.63
  5. Step 5: Solve for x
    x = 150,516,312.63/13,846.06
  6. Step 6: Final answer
    x = 10,870.70

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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.