Home / 25,389.20-38,083.80-16,576.40

Finding the Fourth Proportional to 25,389.20, 38,083.80 and 16,576.40

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Solution

The fourth proportional to 25,389.20, 38,083.80 and 16,576.40 is: 24,864.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,389.20 : 38,083.80 = 16,576.40 : x
  2. Step 2: Convert to fraction form
    25,389.20/38,083.80 = 16,576.40/x
  3. Step 3: Cross multiply
    25,389.20x = 38,083.80 × 16,576.40
  4. Step 4: Simplify right side
    25,389.20x = 631,292,302.32
  5. Step 5: Solve for x
    x = 631,292,302.32/25,389.20
  6. Step 6: Final answer
    x = 24,864.60

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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.