Home / 18,621.93-25,697.73-10,663.95

Finding the Fourth Proportional to 18,621.93, 25,697.73 and 10,663.95

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Solution

The fourth proportional to 18,621.93, 25,697.73 and 10,663.95 is: 14,715.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,621.93 : 25,697.73 = 10,663.95 : x
  2. Step 2: Convert to fraction form
    18,621.93/25,697.73 = 10,663.95/x
  3. Step 3: Cross multiply
    18,621.93x = 25,697.73 × 10,663.95
  4. Step 4: Simplify right side
    18,621.93x = 274,039,307.83
  5. Step 5: Solve for x
    x = 274,039,307.83/18,621.93
  6. Step 6: Final answer
    x = 14,715.95

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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.