Home / 27,666.32-38,133.99-19,602.68

Finding the Fourth Proportional to 27,666.32, 38,133.99 and 19,602.68

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Solution

The fourth proportional to 27,666.32, 38,133.99 and 19,602.68 is: 27,019.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,666.32 : 38,133.99 = 19,602.68 : x
  2. Step 2: Convert to fraction form
    27,666.32/38,133.99 = 19,602.68/x
  3. Step 3: Cross multiply
    27,666.32x = 38,133.99 × 19,602.68
  4. Step 4: Simplify right side
    27,666.32x = 747,528,212.42
  5. Step 5: Solve for x
    x = 747,528,212.42/27,666.32
  6. Step 6: Final answer
    x = 27,019.44

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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.