Home / 27,392.64-37,762.56-18,424.32

Finding the Fourth Proportional to 27,392.64, 37,762.56 and 18,424.32

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Solution

The fourth proportional to 27,392.64, 37,762.56 and 18,424.32 is: 25,399.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,392.64 : 37,762.56 = 18,424.32 : x
  2. Step 2: Convert to fraction form
    27,392.64/37,762.56 = 18,424.32/x
  3. Step 3: Cross multiply
    27,392.64x = 37,762.56 × 18,424.32
  4. Step 4: Simplify right side
    27,392.64x = 695,749,489.46
  5. Step 5: Solve for x
    x = 695,749,489.46/27,392.64
  6. Step 6: Final answer
    x = 25,399.14

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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.