Home / 15,589.58-21,505.59-10,554.02

Finding the Fourth Proportional to 15,589.58, 21,505.59 and 10,554.02

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Solution

The fourth proportional to 15,589.58, 21,505.59 and 10,554.02 is: 14,559.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,589.58 : 21,505.59 = 10,554.02 : x
  2. Step 2: Convert to fraction form
    15,589.58/21,505.59 = 10,554.02/x
  3. Step 3: Cross multiply
    15,589.58x = 21,505.59 × 10,554.02
  4. Step 4: Simplify right side
    15,589.58x = 226,970,426.97
  5. Step 5: Solve for x
    x = 226,970,426.97/15,589.58
  6. Step 6: Final answer
    x = 14,559.11

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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.