Home / 19,798.58-27,311.68-12,242.50

Finding the Fourth Proportional to 19,798.58, 27,311.68 and 12,242.50

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Solution

The fourth proportional to 19,798.58, 27,311.68 and 12,242.50 is: 16,888.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,798.58 : 27,311.68 = 12,242.50 : x
  2. Step 2: Convert to fraction form
    19,798.58/27,311.68 = 12,242.50/x
  3. Step 3: Cross multiply
    19,798.58x = 27,311.68 × 12,242.50
  4. Step 4: Simplify right side
    19,798.58x = 334,363,105.84
  5. Step 5: Solve for x
    x = 334,363,105.84/19,798.58
  6. Step 6: Final answer
    x = 16,888.24

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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.