Home / 20,598.72-31,010.70-14,066.28

Finding the Fourth Proportional to 20,598.72, 31,010.70 and 14,066.28

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Solution

The fourth proportional to 20,598.72, 31,010.70 and 14,066.28 is: 21,176.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,598.72 : 31,010.70 = 14,066.28 : x
  2. Step 2: Convert to fraction form
    20,598.72/31,010.70 = 14,066.28/x
  3. Step 3: Cross multiply
    20,598.72x = 31,010.70 × 14,066.28
  4. Step 4: Simplify right side
    20,598.72x = 436,205,189.20
  5. Step 5: Solve for x
    x = 436,205,189.20/20,598.72
  6. Step 6: Final answer
    x = 21,176.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.