Home / 27,455.96-37,889.13-14,880.74

Finding the Fourth Proportional to 27,455.96, 37,889.13 and 14,880.74

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Solution

The fourth proportional to 27,455.96, 37,889.13 and 14,880.74 is: 20,535.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,455.96 : 37,889.13 = 14,880.74 : x
  2. Step 2: Convert to fraction form
    27,455.96/37,889.13 = 14,880.74/x
  3. Step 3: Cross multiply
    27,455.96x = 37,889.13 × 14,880.74
  4. Step 4: Simplify right side
    27,455.96x = 563,818,292.36
  5. Step 5: Solve for x
    x = 563,818,292.36/27,455.96
  6. Step 6: Final answer
    x = 20,535.37

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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.