Home / 20,108.02-27,752.16-19,222.06

Finding the Fourth Proportional to 20,108.02, 27,752.16 and 19,222.06

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Solution

The fourth proportional to 20,108.02, 27,752.16 and 19,222.06 is: 26,529.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,108.02 : 27,752.16 = 19,222.06 : x
  2. Step 2: Convert to fraction form
    20,108.02/27,752.16 = 19,222.06/x
  3. Step 3: Cross multiply
    20,108.02x = 27,752.16 × 19,222.06
  4. Step 4: Simplify right side
    20,108.02x = 533,453,684.65
  5. Step 5: Solve for x
    x = 533,453,684.65/20,108.02
  6. Step 6: Final answer
    x = 26,529.40

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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.