Home / 27,925.31-38,569.84-18,477.47

Finding the Fourth Proportional to 27,925.31, 38,569.84 and 18,477.47

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Solution

The fourth proportional to 27,925.31, 38,569.84 and 18,477.47 is: 25,520.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,925.31 : 38,569.84 = 18,477.47 : x
  2. Step 2: Convert to fraction form
    27,925.31/38,569.84 = 18,477.47/x
  3. Step 3: Cross multiply
    27,925.31x = 38,569.84 × 18,477.47
  4. Step 4: Simplify right side
    27,925.31x = 712,673,111.74
  5. Step 5: Solve for x
    x = 712,673,111.74/27,925.31
  6. Step 6: Final answer
    x = 25,520.69

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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.