Home / 19,153.01-26,430.90-10,769.51

Finding the Fourth Proportional to 19,153.01, 26,430.90 and 10,769.51

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Solution

The fourth proportional to 19,153.01, 26,430.90 and 10,769.51 is: 14,861.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153.01 : 26,430.90 = 10,769.51 : x
  2. Step 2: Convert to fraction form
    19,153.01/26,430.90 = 10,769.51/x
  3. Step 3: Cross multiply
    19,153.01x = 26,430.90 × 10,769.51
  4. Step 4: Simplify right side
    19,153.01x = 284,647,841.86
  5. Step 5: Solve for x
    x = 284,647,841.86/19,153.01
  6. Step 6: Final answer
    x = 14,861.78

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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.