Home / 25,243.20-37,864.80-16,430.40

Finding the Fourth Proportional to 25,243.20, 37,864.80 and 16,430.40

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Solution

The fourth proportional to 25,243.20, 37,864.80 and 16,430.40 is: 24,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,243.20 : 37,864.80 = 16,430.40 : x
  2. Step 2: Convert to fraction form
    25,243.20/37,864.80 = 16,430.40/x
  3. Step 3: Cross multiply
    25,243.20x = 37,864.80 × 16,430.40
  4. Step 4: Simplify right side
    25,243.20x = 622,133,809.92
  5. Step 5: Solve for x
    x = 622,133,809.92/25,243.20
  6. Step 6: Final answer
    x = 24,645.60

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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.