Home / 25,554.72-38,328.84-9,983.28

Finding the Fourth Proportional to 25,554.72, 38,328.84 and 9,983.28

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Solution

The fourth proportional to 25,554.72, 38,328.84 and 9,983.28 is: 14,973.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,554.72 : 38,328.84 = 9,983.28 : x
  2. Step 2: Convert to fraction form
    25,554.72/38,328.84 = 9,983.28/x
  3. Step 3: Cross multiply
    25,554.72x = 38,328.84 × 9,983.28
  4. Step 4: Simplify right side
    25,554.72x = 382,647,541.80
  5. Step 5: Solve for x
    x = 382,647,541.80/25,554.72
  6. Step 6: Final answer
    x = 14,973.65

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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.