Home / 21,358.98-29,475.86-11,927.52

Finding the Fourth Proportional to 21,358.98, 29,475.86 and 11,927.52

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Solution

The fourth proportional to 21,358.98, 29,475.86 and 11,927.52 is: 16,460.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,358.98 : 29,475.86 = 11,927.52 : x
  2. Step 2: Convert to fraction form
    21,358.98/29,475.86 = 11,927.52/x
  3. Step 3: Cross multiply
    21,358.98x = 29,475.86 × 11,927.52
  4. Step 4: Simplify right side
    21,358.98x = 351,573,909.67
  5. Step 5: Solve for x
    x = 351,573,909.67/21,358.98
  6. Step 6: Final answer
    x = 16,460.24

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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.