Home / 19,495.77-26,872.43-15,239.32

Finding the Fourth Proportional to 19,495.77, 26,872.43 and 15,239.32

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Solution

The fourth proportional to 19,495.77, 26,872.43 and 15,239.32 is: 21,005.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,495.77 : 26,872.43 = 15,239.32 : x
  2. Step 2: Convert to fraction form
    19,495.77/26,872.43 = 15,239.32/x
  3. Step 3: Cross multiply
    19,495.77x = 26,872.43 × 15,239.32
  4. Step 4: Simplify right side
    19,495.77x = 409,517,416.57
  5. Step 5: Solve for x
    x = 409,517,416.57/19,495.77
  6. Step 6: Final answer
    x = 21,005.45

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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.