Home / 19,146.72-26,421.12-10,764.48

Finding the Fourth Proportional to 19,146.72, 26,421.12 and 10,764.48

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Solution

The fourth proportional to 19,146.72, 26,421.12 and 10,764.48 is: 14,854.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,146.72 : 26,421.12 = 10,764.48 : x
  2. Step 2: Convert to fraction form
    19,146.72/26,421.12 = 10,764.48/x
  3. Step 3: Cross multiply
    19,146.72x = 26,421.12 × 10,764.48
  4. Step 4: Simplify right side
    19,146.72x = 284,409,617.82
  5. Step 5: Solve for x
    x = 284,409,617.82/19,146.72
  6. Step 6: Final answer
    x = 14,854.22

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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.