Home / 20,050.07-27,657.59-12,976.47

Finding the Fourth Proportional to 20,050.07, 27,657.59 and 12,976.47

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Solution

The fourth proportional to 20,050.07, 27,657.59 and 12,976.47 is: 17,900.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,050.07 : 27,657.59 = 12,976.47 : x
  2. Step 2: Convert to fraction form
    20,050.07/27,657.59 = 12,976.47/x
  3. Step 3: Cross multiply
    20,050.07x = 27,657.59 × 12,976.47
  4. Step 4: Simplify right side
    20,050.07x = 358,897,822.02
  5. Step 5: Solve for x
    x = 358,897,822.02/20,050.07
  6. Step 6: Final answer
    x = 17,900.08

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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.