Home / 14,318.71-19,759.58-8,030.95

Finding the Fourth Proportional to 14,318.71, 19,759.58 and 8,030.95

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Solution

The fourth proportional to 14,318.71, 19,759.58 and 8,030.95 is: 11,082.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.71 : 19,759.58 = 8,030.95 : x
  2. Step 2: Convert to fraction form
    14,318.71/19,759.58 = 8,030.95/x
  3. Step 3: Cross multiply
    14,318.71x = 19,759.58 × 8,030.95
  4. Step 4: Simplify right side
    14,318.71x = 158,688,139.56
  5. Step 5: Solve for x
    x = 158,688,139.56/14,318.71
  6. Step 6: Final answer
    x = 11,082.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.