Home / 27,027.68-40,513.80-12,967.16

Finding the Fourth Proportional to 27,027.68, 40,513.80 and 12,967.16

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Solution

The fourth proportional to 27,027.68, 40,513.80 and 12,967.16 is: 19,437.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,027.68 : 40,513.80 = 12,967.16 : x
  2. Step 2: Convert to fraction form
    27,027.68/40,513.80 = 12,967.16/x
  3. Step 3: Cross multiply
    27,027.68x = 40,513.80 × 12,967.16
  4. Step 4: Simplify right side
    27,027.68x = 525,348,926.81
  5. Step 5: Solve for x
    x = 525,348,926.81/27,027.68
  6. Step 6: Final answer
    x = 19,437.44

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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.