Home / 25,970.85-38,925.51-11,919.04

Finding the Fourth Proportional to 25,970.85, 38,925.51 and 11,919.04

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Solution

The fourth proportional to 25,970.85, 38,925.51 and 11,919.04 is: 17,864.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,970.85 : 38,925.51 = 11,919.04 : x
  2. Step 2: Convert to fraction form
    25,970.85/38,925.51 = 11,919.04/x
  3. Step 3: Cross multiply
    25,970.85x = 38,925.51 × 11,919.04
  4. Step 4: Simplify right side
    25,970.85x = 463,954,710.71
  5. Step 5: Solve for x
    x = 463,954,710.71/25,970.85
  6. Step 6: Final answer
    x = 17,864.44

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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.