Home / 18,113.35-27,038.08-16,777.76

Finding the Fourth Proportional to 18,113.35, 27,038.08 and 16,777.76

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Solution

The fourth proportional to 18,113.35, 27,038.08 and 16,777.76 is: 25,044.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,113.35 : 27,038.08 = 16,777.76 : x
  2. Step 2: Convert to fraction form
    18,113.35/27,038.08 = 16,777.76/x
  3. Step 3: Cross multiply
    18,113.35x = 27,038.08 × 16,777.76
  4. Step 4: Simplify right side
    18,113.35x = 453,638,333.21
  5. Step 5: Solve for x
    x = 453,638,333.21/18,113.35
  6. Step 6: Final answer
    x = 25,044.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.