Home / 38,859.71-58,283.35-13,895.10

Finding the Fourth Proportional to 38,859.71, 58,283.35 and 13,895.10

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Solution

The fourth proportional to 38,859.71, 58,283.35 and 13,895.10 is: 20,840.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,859.71 : 58,283.35 = 13,895.10 : x
  2. Step 2: Convert to fraction form
    38,859.71/58,283.35 = 13,895.10/x
  3. Step 3: Cross multiply
    38,859.71x = 58,283.35 × 13,895.10
  4. Step 4: Simplify right side
    38,859.71x = 809,852,907.11
  5. Step 5: Solve for x
    x = 809,852,907.11/38,859.71
  6. Step 6: Final answer
    x = 20,840.43

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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.