Home / 25,389.80-38,095.58-9,818.36

Finding the Fourth Proportional to 25,389.80, 38,095.58 and 9,818.36

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Solution

The fourth proportional to 25,389.80, 38,095.58 and 9,818.36 is: 14,731.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,389.80 : 38,095.58 = 9,818.36 : x
  2. Step 2: Convert to fraction form
    25,389.80/38,095.58 = 9,818.36/x
  3. Step 3: Cross multiply
    25,389.80x = 38,095.58 × 9,818.36
  4. Step 4: Simplify right side
    25,389.80x = 374,036,118.85
  5. Step 5: Solve for x
    x = 374,036,118.85/25,389.80
  6. Step 6: Final answer
    x = 14,731.75

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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.