Home / 25,783.72-35,579.36-14,298.96

Finding the Fourth Proportional to 25,783.72, 35,579.36 and 14,298.96

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Solution

The fourth proportional to 25,783.72, 35,579.36 and 14,298.96 is: 19,731.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,783.72 : 35,579.36 = 14,298.96 : x
  2. Step 2: Convert to fraction form
    25,783.72/35,579.36 = 14,298.96/x
  3. Step 3: Cross multiply
    25,783.72x = 35,579.36 × 14,298.96
  4. Step 4: Simplify right side
    25,783.72x = 508,747,845.47
  5. Step 5: Solve for x
    x = 508,747,845.47/25,783.72
  6. Step 6: Final answer
    x = 19,731.36

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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.