Home / 27,378.87-37,782.95-14,803.62

Finding the Fourth Proportional to 27,378.87, 37,782.95 and 14,803.62

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Solution

The fourth proportional to 27,378.87, 37,782.95 and 14,803.62 is: 20,429.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,378.87 : 37,782.95 = 14,803.62 : x
  2. Step 2: Convert to fraction form
    27,378.87/37,782.95 = 14,803.62/x
  3. Step 3: Cross multiply
    27,378.87x = 37,782.95 × 14,803.62
  4. Step 4: Simplify right side
    27,378.87x = 559,324,360.26
  5. Step 5: Solve for x
    x = 559,324,360.26/27,378.87
  6. Step 6: Final answer
    x = 20,429.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.