Home / 19,153.98-26,445.51-14,118.78

Finding the Fourth Proportional to 19,153.98, 26,445.51 and 14,118.78

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Solution

The fourth proportional to 19,153.98, 26,445.51 and 14,118.78 is: 19,493.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153.98 : 26,445.51 = 14,118.78 : x
  2. Step 2: Convert to fraction form
    19,153.98/26,445.51 = 14,118.78/x
  3. Step 3: Cross multiply
    19,153.98x = 26,445.51 × 14,118.78
  4. Step 4: Simplify right side
    19,153.98x = 373,378,337.68
  5. Step 5: Solve for x
    x = 373,378,337.68/19,153.98
  6. Step 6: Final answer
    x = 19,493.51

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Double scale
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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.