Home / 25,794.84-38,686.68-9,155.40

Finding the Fourth Proportional to 25,794.84, 38,686.68 and 9,155.40

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Solution

The fourth proportional to 25,794.84, 38,686.68 and 9,155.40 is: 13,731.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,794.84 : 38,686.68 = 9,155.40 : x
  2. Step 2: Convert to fraction form
    25,794.84/38,686.68 = 9,155.40/x
  3. Step 3: Cross multiply
    25,794.84x = 38,686.68 × 9,155.40
  4. Step 4: Simplify right side
    25,794.84x = 354,192,030.07
  5. Step 5: Solve for x
    x = 354,192,030.07/25,794.84
  6. Step 6: Final answer
    x = 13,731.12

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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.