Home / 19,953-29,927.16-12,535.56

Finding the Fourth Proportional to 19,953, 29,927.16 and 12,535.56

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Solution

The fourth proportional to 19,953, 29,927.16 and 12,535.56 is: 18,801.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,953 : 29,927.16 = 12,535.56 : x
  2. Step 2: Convert to fraction form
    19,953/29,927.16 = 12,535.56/x
  3. Step 3: Cross multiply
    19,953x = 29,927.16 × 12,535.56
  4. Step 4: Simplify right side
    19,953x = 375,153,709.81
  5. Step 5: Solve for x
    x = 375,153,709.81/19,953
  6. Step 6: Final answer
    x = 18,801.87

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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.