Home / 19,587.96-26,994.06-13,989.24

Finding the Fourth Proportional to 19,587.96, 26,994.06 and 13,989.24

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Solution

The fourth proportional to 19,587.96, 26,994.06 and 13,989.24 is: 19,278.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,587.96 : 26,994.06 = 13,989.24 : x
  2. Step 2: Convert to fraction form
    19,587.96/26,994.06 = 13,989.24/x
  3. Step 3: Cross multiply
    19,587.96x = 26,994.06 × 13,989.24
  4. Step 4: Simplify right side
    19,587.96x = 377,626,383.91
  5. Step 5: Solve for x
    x = 377,626,383.91/19,587.96
  6. Step 6: Final answer
    x = 19,278.49

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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.