Home / 19,880.51-27,444.49-12,616.26

Finding the Fourth Proportional to 19,880.51, 27,444.49 and 12,616.26

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Solution

The fourth proportional to 19,880.51, 27,444.49 and 12,616.26 is: 17,416.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,880.51 : 27,444.49 = 12,616.26 : x
  2. Step 2: Convert to fraction form
    19,880.51/27,444.49 = 12,616.26/x
  3. Step 3: Cross multiply
    19,880.51x = 27,444.49 × 12,616.26
  4. Step 4: Simplify right side
    19,880.51x = 346,246,686.95
  5. Step 5: Solve for x
    x = 346,246,686.95/19,880.51
  6. Step 6: Final answer
    x = 17,416.39

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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.