Home / 17,985.19-24,828.36-13,943.09

Finding the Fourth Proportional to 17,985.19, 24,828.36 and 13,943.09

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Solution

The fourth proportional to 17,985.19, 24,828.36 and 13,943.09 is: 19,248.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,985.19 : 24,828.36 = 13,943.09 : x
  2. Step 2: Convert to fraction form
    17,985.19/24,828.36 = 13,943.09/x
  3. Step 3: Cross multiply
    17,985.19x = 24,828.36 × 13,943.09
  4. Step 4: Simplify right side
    17,985.19x = 346,183,933.89
  5. Step 5: Solve for x
    x = 346,183,933.89/17,985.19
  6. Step 6: Final answer
    x = 19,248.28

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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.