Home / 29,237.00-40,347.01-15,808.21

Finding the Fourth Proportional to 29,237.00, 40,347.01 and 15,808.21

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Solution

The fourth proportional to 29,237.00, 40,347.01 and 15,808.21 is: 21,815.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,237.00 : 40,347.01 = 15,808.21 : x
  2. Step 2: Convert to fraction form
    29,237.00/40,347.01 = 15,808.21/x
  3. Step 3: Cross multiply
    29,237.00x = 40,347.01 × 15,808.21
  4. Step 4: Simplify right side
    29,237.00x = 637,814,152.80
  5. Step 5: Solve for x
    x = 637,814,152.80/29,237.00
  6. Step 6: Final answer
    x = 21,815.31

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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.