Home / 53,266.32-79,885.80-15,817.56

Finding the Fourth Proportional to 53,266.32, 79,885.80 and 15,817.56

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Solution

The fourth proportional to 53,266.32, 79,885.80 and 15,817.56 is: 23,722.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,266.32 : 79,885.80 = 15,817.56 : x
  2. Step 2: Convert to fraction form
    53,266.32/79,885.80 = 15,817.56/x
  3. Step 3: Cross multiply
    53,266.32x = 79,885.80 × 15,817.56
  4. Step 4: Simplify right side
    53,266.32x = 1,263,598,434.65
  5. Step 5: Solve for x
    x = 1,263,598,434.65/53,266.32
  6. Step 6: Final answer
    x = 23,722.28

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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.