Home / 18,821.52-25,973.28-10,437.48

Finding the Fourth Proportional to 18,821.52, 25,973.28 and 10,437.48

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Solution

The fourth proportional to 18,821.52, 25,973.28 and 10,437.48 is: 14,403.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,821.52 : 25,973.28 = 10,437.48 : x
  2. Step 2: Convert to fraction form
    18,821.52/25,973.28 = 10,437.48/x
  3. Step 3: Cross multiply
    18,821.52x = 25,973.28 × 10,437.48
  4. Step 4: Simplify right side
    18,821.52x = 271,095,590.53
  5. Step 5: Solve for x
    x = 271,095,590.53/18,821.52
  6. Step 6: Final answer
    x = 14,403.49

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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.