Home / 19,588.20-27,024.96-12,518.76

Finding the Fourth Proportional to 19,588.20, 27,024.96 and 12,518.76

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Solution

The fourth proportional to 19,588.20, 27,024.96 and 12,518.76 is: 17,271.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,588.20 : 27,024.96 = 12,518.76 : x
  2. Step 2: Convert to fraction form
    19,588.20/27,024.96 = 12,518.76/x
  3. Step 3: Cross multiply
    19,588.20x = 27,024.96 × 12,518.76
  4. Step 4: Simplify right side
    19,588.20x = 338,318,988.25
  5. Step 5: Solve for x
    x = 338,318,988.25/19,588.20
  6. Step 6: Final answer
    x = 17,271.57

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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.