Home / 18,870.48-26,042.58-10,487.52

Finding the Fourth Proportional to 18,870.48, 26,042.58 and 10,487.52

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Solution

The fourth proportional to 18,870.48, 26,042.58 and 10,487.52 is: 14,473.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,870.48 : 26,042.58 = 10,487.52 : x
  2. Step 2: Convert to fraction form
    18,870.48/26,042.58 = 10,487.52/x
  3. Step 3: Cross multiply
    18,870.48x = 26,042.58 × 10,487.52
  4. Step 4: Simplify right side
    18,870.48x = 273,122,078.60
  5. Step 5: Solve for x
    x = 273,122,078.60/18,870.48
  6. Step 6: Final answer
    x = 14,473.51

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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.