Home / 19,398.51-26,742.83-16,402.32

Finding the Fourth Proportional to 19,398.51, 26,742.83 and 16,402.32

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Solution

The fourth proportional to 19,398.51, 26,742.83 and 16,402.32 is: 22,612.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,398.51 : 26,742.83 = 16,402.32 : x
  2. Step 2: Convert to fraction form
    19,398.51/26,742.83 = 16,402.32/x
  3. Step 3: Cross multiply
    19,398.51x = 26,742.83 × 16,402.32
  4. Step 4: Simplify right side
    19,398.51x = 438,644,373.35
  5. Step 5: Solve for x
    x = 438,644,373.35/19,398.51
  6. Step 6: Final answer
    x = 22,612.27

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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.