Home / 19,400.49-26,783.34-13,036.32

Finding the Fourth Proportional to 19,400.49, 26,783.34 and 13,036.32

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Solution

The fourth proportional to 19,400.49, 26,783.34 and 13,036.32 is: 17,997.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,400.49 : 26,783.34 = 13,036.32 : x
  2. Step 2: Convert to fraction form
    19,400.49/26,783.34 = 13,036.32/x
  3. Step 3: Cross multiply
    19,400.49x = 26,783.34 × 13,036.32
  4. Step 4: Simplify right side
    19,400.49x = 349,156,190.91
  5. Step 5: Solve for x
    x = 349,156,190.91/19,400.49
  6. Step 6: Final answer
    x = 17,997.29

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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.