Home / 27,123.51-37,430.04-15,187.26

Finding the Fourth Proportional to 27,123.51, 37,430.04 and 15,187.26

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Solution

The fourth proportional to 27,123.51, 37,430.04 and 15,187.26 is: 20,958.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,123.51 : 37,430.04 = 15,187.26 : x
  2. Step 2: Convert to fraction form
    27,123.51/37,430.04 = 15,187.26/x
  3. Step 3: Cross multiply
    27,123.51x = 37,430.04 × 15,187.26
  4. Step 4: Simplify right side
    27,123.51x = 568,459,749.29
  5. Step 5: Solve for x
    x = 568,459,749.29/27,123.51
  6. Step 6: Final answer
    x = 20,958.19

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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.