Home / 23,740.84-32,763.66-13,130.20

Finding the Fourth Proportional to 23,740.84, 32,763.66 and 13,130.20

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Solution

The fourth proportional to 23,740.84, 32,763.66 and 13,130.20 is: 18,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,740.84 : 32,763.66 = 13,130.20 : x
  2. Step 2: Convert to fraction form
    23,740.84/32,763.66 = 13,130.20/x
  3. Step 3: Cross multiply
    23,740.84x = 32,763.66 × 13,130.20
  4. Step 4: Simplify right side
    23,740.84x = 430,193,408.53
  5. Step 5: Solve for x
    x = 430,193,408.53/23,740.84
  6. Step 6: Final answer
    x = 18,120.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.