Home / 26,430.84-39,644.24-9,783.05

Finding the Fourth Proportional to 26,430.84, 39,644.24 and 9,783.05

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Solution

The fourth proportional to 26,430.84, 39,644.24 and 9,783.05 is: 14,673.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,430.84 : 39,644.24 = 9,783.05 : x
  2. Step 2: Convert to fraction form
    26,430.84/39,644.24 = 9,783.05/x
  3. Step 3: Cross multiply
    26,430.84x = 39,644.24 × 9,783.05
  4. Step 4: Simplify right side
    26,430.84x = 387,841,335.00
  5. Step 5: Solve for x
    x = 387,841,335.00/26,430.84
  6. Step 6: Final answer
    x = 14,673.82

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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.