Home / 19,125.95-28,560.14-15,622.95

Finding the Fourth Proportional to 19,125.95, 28,560.14 and 15,622.95

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Solution

The fourth proportional to 19,125.95, 28,560.14 and 15,622.95 is: 23,329.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,125.95 : 28,560.14 = 15,622.95 : x
  2. Step 2: Convert to fraction form
    19,125.95/28,560.14 = 15,622.95/x
  3. Step 3: Cross multiply
    19,125.95x = 28,560.14 × 15,622.95
  4. Step 4: Simplify right side
    19,125.95x = 446,193,639.21
  5. Step 5: Solve for x
    x = 446,193,639.21/19,125.95
  6. Step 6: Final answer
    x = 23,329.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.