Home / 19,655.68-27,126.12-14,890.08

Finding the Fourth Proportional to 19,655.68, 27,126.12 and 14,890.08

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Solution

The fourth proportional to 19,655.68, 27,126.12 and 14,890.08 is: 20,549.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,655.68 : 27,126.12 = 14,890.08 : x
  2. Step 2: Convert to fraction form
    19,655.68/27,126.12 = 14,890.08/x
  3. Step 3: Cross multiply
    19,655.68x = 27,126.12 × 14,890.08
  4. Step 4: Simplify right side
    19,655.68x = 403,910,096.89
  5. Step 5: Solve for x
    x = 403,910,096.89/19,655.68
  6. Step 6: Final answer
    x = 20,549.28

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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.