Home / 25,408.16-38,114.80-6,940.32

Finding the Fourth Proportional to 25,408.16, 38,114.80 and 6,940.32

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Solution

The fourth proportional to 25,408.16, 38,114.80 and 6,940.32 is: 10,411.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,408.16 : 38,114.80 = 6,940.32 : x
  2. Step 2: Convert to fraction form
    25,408.16/38,114.80 = 6,940.32/x
  3. Step 3: Cross multiply
    25,408.16x = 38,114.80 × 6,940.32
  4. Step 4: Simplify right side
    25,408.16x = 264,528,908.74
  5. Step 5: Solve for x
    x = 264,528,908.74/25,408.16
  6. Step 6: Final answer
    x = 10,411.18

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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.