Home / 19,147.22-26,421.81-10,764.98

Finding the Fourth Proportional to 19,147.22, 26,421.81 and 10,764.98

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Solution

The fourth proportional to 19,147.22, 26,421.81 and 10,764.98 is: 14,854.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,147.22 : 26,421.81 = 10,764.98 : x
  2. Step 2: Convert to fraction form
    19,147.22/26,421.81 = 10,764.98/x
  3. Step 3: Cross multiply
    19,147.22x = 26,421.81 × 10,764.98
  4. Step 4: Simplify right side
    19,147.22x = 284,430,256.21
  5. Step 5: Solve for x
    x = 284,430,256.21/19,147.22
  6. Step 6: Final answer
    x = 14,854.91

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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.