Home / 22,345.24-30,827.85-12,783.19

Finding the Fourth Proportional to 22,345.24, 30,827.85 and 12,783.19

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Solution

The fourth proportional to 22,345.24, 30,827.85 and 12,783.19 is: 17,635.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,345.24 : 30,827.85 = 12,783.19 : x
  2. Step 2: Convert to fraction form
    22,345.24/30,827.85 = 12,783.19/x
  3. Step 3: Cross multiply
    22,345.24x = 30,827.85 × 12,783.19
  4. Step 4: Simplify right side
    22,345.24x = 394,078,263.84
  5. Step 5: Solve for x
    x = 394,078,263.84/22,345.24
  6. Step 6: Final answer
    x = 17,635.89

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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.