Home / 25,153.83-37,681.53-19,281.74

Finding the Fourth Proportional to 25,153.83, 37,681.53 and 19,281.74

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Solution

The fourth proportional to 25,153.83, 37,681.53 and 19,281.74 is: 28,884.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,153.83 : 37,681.53 = 19,281.74 : x
  2. Step 2: Convert to fraction form
    25,153.83/37,681.53 = 19,281.74/x
  3. Step 3: Cross multiply
    25,153.83x = 37,681.53 × 19,281.74
  4. Step 4: Simplify right side
    25,153.83x = 726,565,275.85
  5. Step 5: Solve for x
    x = 726,565,275.85/25,153.83
  6. Step 6: Final answer
    x = 28,884.88

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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.