Home / 27,140.99-37,457.33-15,656.33

Finding the Fourth Proportional to 27,140.99, 37,457.33 and 15,656.33

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Solution

The fourth proportional to 27,140.99, 37,457.33 and 15,656.33 is: 21,607.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,140.99 : 37,457.33 = 15,656.33 : x
  2. Step 2: Convert to fraction form
    27,140.99/37,457.33 = 15,656.33/x
  3. Step 3: Cross multiply
    27,140.99x = 37,457.33 × 15,656.33
  4. Step 4: Simplify right side
    27,140.99x = 586,444,241.12
  5. Step 5: Solve for x
    x = 586,444,241.12/27,140.99
  6. Step 6: Final answer
    x = 21,607.33

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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.