Home / 14,308.96-19,726.20-12,340.48

Finding the Fourth Proportional to 14,308.96, 19,726.20 and 12,340.48

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Solution

The fourth proportional to 14,308.96, 19,726.20 and 12,340.48 is: 17,012.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,308.96 : 19,726.20 = 12,340.48 : x
  2. Step 2: Convert to fraction form
    14,308.96/19,726.20 = 12,340.48/x
  3. Step 3: Cross multiply
    14,308.96x = 19,726.20 × 12,340.48
  4. Step 4: Simplify right side
    14,308.96x = 243,430,776.58
  5. Step 5: Solve for x
    x = 243,430,776.58/14,308.96
  6. Step 6: Final answer
    x = 17,012.47

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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.