Home / 18,646.81-25,744.95-14,332.23

Finding the Fourth Proportional to 18,646.81, 25,744.95 and 14,332.23

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Solution

The fourth proportional to 18,646.81, 25,744.95 and 14,332.23 is: 19,787.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,646.81 : 25,744.95 = 14,332.23 : x
  2. Step 2: Convert to fraction form
    18,646.81/25,744.95 = 14,332.23/x
  3. Step 3: Cross multiply
    18,646.81x = 25,744.95 × 14,332.23
  4. Step 4: Simplify right side
    18,646.81x = 368,982,544.74
  5. Step 5: Solve for x
    x = 368,982,544.74/18,646.81
  6. Step 6: Final answer
    x = 19,787.97

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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.