Home / 19,914.98-27,482.67-10,840.30

Finding the Fourth Proportional to 19,914.98, 27,482.67 and 10,840.30

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Solution

The fourth proportional to 19,914.98, 27,482.67 and 10,840.30 is: 14,959.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,914.98 : 27,482.67 = 10,840.30 : x
  2. Step 2: Convert to fraction form
    19,914.98/27,482.67 = 10,840.30/x
  3. Step 3: Cross multiply
    19,914.98x = 27,482.67 × 10,840.30
  4. Step 4: Simplify right side
    19,914.98x = 297,920,318.89
  5. Step 5: Solve for x
    x = 297,920,318.89/19,914.98
  6. Step 6: Final answer
    x = 14,959.61

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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.