Home / 25,583.10-38,303.80-13,076.20

Finding the Fourth Proportional to 25,583.10, 38,303.80 and 13,076.20

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Solution

The fourth proportional to 25,583.10, 38,303.80 and 13,076.20 is: 19,578.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,583.10 : 38,303.80 = 13,076.20 : x
  2. Step 2: Convert to fraction form
    25,583.10/38,303.80 = 13,076.20/x
  3. Step 3: Cross multiply
    25,583.10x = 38,303.80 × 13,076.20
  4. Step 4: Simplify right side
    25,583.10x = 500,867,958.04
  5. Step 5: Solve for x
    x = 500,867,958.04/25,583.10
  6. Step 6: Final answer
    x = 19,578.08

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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.