Home / 25,117.66-34,662.99-13,788.28

Finding the Fourth Proportional to 25,117.66, 34,662.99 and 13,788.28

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Solution

The fourth proportional to 25,117.66, 34,662.99 and 13,788.28 is: 19,028.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,117.66 : 34,662.99 = 13,788.28 : x
  2. Step 2: Convert to fraction form
    25,117.66/34,662.99 = 13,788.28/x
  3. Step 3: Cross multiply
    25,117.66x = 34,662.99 × 13,788.28
  4. Step 4: Simplify right side
    25,117.66x = 477,943,011.76
  5. Step 5: Solve for x
    x = 477,943,011.76/25,117.66
  6. Step 6: Final answer
    x = 19,028.17

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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.