Home / 19,443.51-29,200.40-17,880.63

Finding the Fourth Proportional to 19,443.51, 29,200.40 and 17,880.63

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Solution

The fourth proportional to 19,443.51, 29,200.40 and 17,880.63 is: 26,853.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,443.51 : 29,200.40 = 17,880.63 : x
  2. Step 2: Convert to fraction form
    19,443.51/29,200.40 = 17,880.63/x
  3. Step 3: Cross multiply
    19,443.51x = 29,200.40 × 17,880.63
  4. Step 4: Simplify right side
    19,443.51x = 522,121,548.25
  5. Step 5: Solve for x
    x = 522,121,548.25/19,443.51
  6. Step 6: Final answer
    x = 26,853.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.