Home / 19,062.30-26,289.27-12,774.30

Finding the Fourth Proportional to 19,062.30, 26,289.27 and 12,774.30

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Solution

The fourth proportional to 19,062.30, 26,289.27 and 12,774.30 is: 17,617.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,062.30 : 26,289.27 = 12,774.30 : x
  2. Step 2: Convert to fraction form
    19,062.30/26,289.27 = 12,774.30/x
  3. Step 3: Cross multiply
    19,062.30x = 26,289.27 × 12,774.30
  4. Step 4: Simplify right side
    19,062.30x = 335,827,021.76
  5. Step 5: Solve for x
    x = 335,827,021.76/19,062.30
  6. Step 6: Final answer
    x = 17,617.34

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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.