Home / 26,423.28-39,632.40-9,783.36

Finding the Fourth Proportional to 26,423.28, 39,632.40 and 9,783.36

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Solution

The fourth proportional to 26,423.28, 39,632.40 and 9,783.36 is: 14,674.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,423.28 : 39,632.40 = 9,783.36 : x
  2. Step 2: Convert to fraction form
    26,423.28/39,632.40 = 9,783.36/x
  3. Step 3: Cross multiply
    26,423.28x = 39,632.40 × 9,783.36
  4. Step 4: Simplify right side
    26,423.28x = 387,738,036.86
  5. Step 5: Solve for x
    x = 387,738,036.86/26,423.28
  6. Step 6: Final answer
    x = 14,674.11

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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.