Home / 19,897.16-27,467.56-12,632.96

Finding the Fourth Proportional to 19,897.16, 27,467.56 and 12,632.96

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Solution

The fourth proportional to 19,897.16, 27,467.56 and 12,632.96 is: 17,439.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,897.16 : 27,467.56 = 12,632.96 : x
  2. Step 2: Convert to fraction form
    19,897.16/27,467.56 = 12,632.96/x
  3. Step 3: Cross multiply
    19,897.16x = 27,467.56 × 12,632.96
  4. Step 4: Simplify right side
    19,897.16x = 346,996,586.78
  5. Step 5: Solve for x
    x = 346,996,586.78/19,897.16
  6. Step 6: Final answer
    x = 17,439.50

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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.