Home / 27,090.09-37,377.12-18,594.81

Finding the Fourth Proportional to 27,090.09, 37,377.12 and 18,594.81

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Solution

The fourth proportional to 27,090.09, 37,377.12 and 18,594.81 is: 25,655.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,090.09 : 37,377.12 = 18,594.81 : x
  2. Step 2: Convert to fraction form
    27,090.09/37,377.12 = 18,594.81/x
  3. Step 3: Cross multiply
    27,090.09x = 37,377.12 × 18,594.81
  4. Step 4: Simplify right side
    27,090.09x = 695,020,444.75
  5. Step 5: Solve for x
    x = 695,020,444.75/27,090.09
  6. Step 6: Final answer
    x = 25,655.89

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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.