Home / 25,290.71-37,931.81-9,276.95

Finding the Fourth Proportional to 25,290.71, 37,931.81 and 9,276.95

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Solution

The fourth proportional to 25,290.71, 37,931.81 and 9,276.95 is: 13,913.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,290.71 : 37,931.81 = 9,276.95 : x
  2. Step 2: Convert to fraction form
    25,290.71/37,931.81 = 9,276.95/x
  3. Step 3: Cross multiply
    25,290.71x = 37,931.81 × 9,276.95
  4. Step 4: Simplify right side
    25,290.71x = 351,891,291.93
  5. Step 5: Solve for x
    x = 351,891,291.93/25,290.71
  6. Step 6: Final answer
    x = 13,913.85

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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.