Home / 15,897.06-21,940.74-9,182.94

Finding the Fourth Proportional to 15,897.06, 21,940.74 and 9,182.94

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Solution

The fourth proportional to 15,897.06, 21,940.74 and 9,182.94 is: 12,674.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,897.06 : 21,940.74 = 9,182.94 : x
  2. Step 2: Convert to fraction form
    15,897.06/21,940.74 = 9,182.94/x
  3. Step 3: Cross multiply
    15,897.06x = 21,940.74 × 9,182.94
  4. Step 4: Simplify right side
    15,897.06x = 201,480,498.98
  5. Step 5: Solve for x
    x = 201,480,498.98/15,897.06
  6. Step 6: Final answer
    x = 12,674.07

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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.