Home / 25,348.28-38,038.74-13,669.64

Finding the Fourth Proportional to 25,348.28, 38,038.74 and 13,669.64

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Solution

The fourth proportional to 25,348.28, 38,038.74 and 13,669.64 is: 20,513.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,348.28 : 38,038.74 = 13,669.64 : x
  2. Step 2: Convert to fraction form
    25,348.28/38,038.74 = 13,669.64/x
  3. Step 3: Cross multiply
    25,348.28x = 38,038.74 × 13,669.64
  4. Step 4: Simplify right side
    25,348.28x = 519,975,881.85
  5. Step 5: Solve for x
    x = 519,975,881.85/25,348.28
  6. Step 6: Final answer
    x = 20,513.26

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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.