Home / 42,891.87-64,346.39-14,812.95

Finding the Fourth Proportional to 42,891.87, 64,346.39 and 14,812.95

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Solution

The fourth proportional to 42,891.87, 64,346.39 and 14,812.95 is: 22,222.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,891.87 : 64,346.39 = 14,812.95 : x
  2. Step 2: Convert to fraction form
    42,891.87/64,346.39 = 14,812.95/x
  3. Step 3: Cross multiply
    42,891.87x = 64,346.39 × 14,812.95
  4. Step 4: Simplify right side
    42,891.87x = 953,159,894.78
  5. Step 5: Solve for x
    x = 953,159,894.78/42,891.87
  6. Step 6: Final answer
    x = 22,222.39

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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.