Home / 25,304.86-37,953.38-8,661.06

Finding the Fourth Proportional to 25,304.86, 37,953.38 and 8,661.06

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Solution

The fourth proportional to 25,304.86, 37,953.38 and 8,661.06 is: 12,990.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,304.86 : 37,953.38 = 8,661.06 : x
  2. Step 2: Convert to fraction form
    25,304.86/37,953.38 = 8,661.06/x
  3. Step 3: Cross multiply
    25,304.86x = 37,953.38 × 8,661.06
  4. Step 4: Simplify right side
    25,304.86x = 328,716,501.38
  5. Step 5: Solve for x
    x = 328,716,501.38/25,304.86
  6. Step 6: Final answer
    x = 12,990.25

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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.