Home / 19,783.36-27,440.95-19,074.34

Finding the Fourth Proportional to 19,783.36, 27,440.95 and 19,074.34

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Solution

The fourth proportional to 19,783.36, 27,440.95 and 19,074.34 is: 26,457.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,783.36 : 27,440.95 = 19,074.34 : x
  2. Step 2: Convert to fraction form
    19,783.36/27,440.95 = 19,074.34/x
  3. Step 3: Cross multiply
    19,783.36x = 27,440.95 × 19,074.34
  4. Step 4: Simplify right side
    19,783.36x = 523,418,010.22
  5. Step 5: Solve for x
    x = 523,418,010.22/19,783.36
  6. Step 6: Final answer
    x = 26,457.49

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.