Home / 13,948.79-20,923.57-4,088.07

Finding the Fourth Proportional to 13,948.79, 20,923.57 and 4,088.07

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Solution

The fourth proportional to 13,948.79, 20,923.57 and 4,088.07 is: 6,132.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.79 : 20,923.57 = 4,088.07 : x
  2. Step 2: Convert to fraction form
    13,948.79/20,923.57 = 4,088.07/x
  3. Step 3: Cross multiply
    13,948.79x = 20,923.57 × 4,088.07
  4. Step 4: Simplify right side
    13,948.79x = 85,537,023.92
  5. Step 5: Solve for x
    x = 85,537,023.92/13,948.79
  6. Step 6: Final answer
    x = 6,132.22

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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.