Home / 34,420.68-51,624.86-11,931.50

Finding the Fourth Proportional to 34,420.68, 51,624.86 and 11,931.50

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Solution

The fourth proportional to 34,420.68, 51,624.86 and 11,931.50 is: 17,895.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,420.68 : 51,624.86 = 11,931.50 : x
  2. Step 2: Convert to fraction form
    34,420.68/51,624.86 = 11,931.50/x
  3. Step 3: Cross multiply
    34,420.68x = 51,624.86 × 11,931.50
  4. Step 4: Simplify right side
    34,420.68x = 615,962,086.49
  5. Step 5: Solve for x
    x = 615,962,086.49/34,420.68
  6. Step 6: Final answer
    x = 17,895.12

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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.