Home / 36,213.51-54,306.95-12,515.07

Finding the Fourth Proportional to 36,213.51, 54,306.95 and 12,515.07

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Solution

The fourth proportional to 36,213.51, 54,306.95 and 12,515.07 is: 18,768.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,213.51 : 54,306.95 = 12,515.07 : x
  2. Step 2: Convert to fraction form
    36,213.51/54,306.95 = 12,515.07/x
  3. Step 3: Cross multiply
    36,213.51x = 54,306.95 × 12,515.07
  4. Step 4: Simplify right side
    36,213.51x = 679,655,218.16
  5. Step 5: Solve for x
    x = 679,655,218.16/36,213.51
  6. Step 6: Final answer
    x = 18,768.00

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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.