Home / 20,548.51-28,356.95-14,264.53

Finding the Fourth Proportional to 20,548.51, 28,356.95 and 14,264.53

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Solution

The fourth proportional to 20,548.51, 28,356.95 and 14,264.53 is: 19,685.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,548.51 : 28,356.95 = 14,264.53 : x
  2. Step 2: Convert to fraction form
    20,548.51/28,356.95 = 14,264.53/x
  3. Step 3: Cross multiply
    20,548.51x = 28,356.95 × 14,264.53
  4. Step 4: Simplify right side
    20,548.51x = 404,498,528.75
  5. Step 5: Solve for x
    x = 404,498,528.75/20,548.51
  6. Step 6: Final answer
    x = 19,685.06

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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.