Home / 27,378.60-37,782.48-14,803.32

Finding the Fourth Proportional to 27,378.60, 37,782.48 and 14,803.32

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Solution

The fourth proportional to 27,378.60, 37,782.48 and 14,803.32 is: 20,428.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,378.60 : 37,782.48 = 14,803.32 : x
  2. Step 2: Convert to fraction form
    27,378.60/37,782.48 = 14,803.32/x
  3. Step 3: Cross multiply
    27,378.60x = 37,782.48 × 14,803.32
  4. Step 4: Simplify right side
    27,378.60x = 559,306,141.83
  5. Step 5: Solve for x
    x = 559,306,141.83/27,378.60
  6. Step 6: Final answer
    x = 20,428.59

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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.