Home / 25,303.86-37,951.88-8,660.06

Finding the Fourth Proportional to 25,303.86, 37,951.88 and 8,660.06

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Solution

The fourth proportional to 25,303.86, 37,951.88 and 8,660.06 is: 12,988.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,303.86 : 37,951.88 = 8,660.06 : x
  2. Step 2: Convert to fraction form
    25,303.86/37,951.88 = 8,660.06/x
  3. Step 3: Cross multiply
    25,303.86x = 37,951.88 × 8,660.06
  4. Step 4: Simplify right side
    25,303.86x = 328,665,717.19
  5. Step 5: Solve for x
    x = 328,665,717.19/25,303.86
  6. Step 6: Final answer
    x = 12,988.76

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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.