Home / 19,973.03-27,557.87-12,209.88

Finding the Fourth Proportional to 19,973.03, 27,557.87 and 12,209.88

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Solution

The fourth proportional to 19,973.03, 27,557.87 and 12,209.88 is: 16,846.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973.03 : 27,557.87 = 12,209.88 : x
  2. Step 2: Convert to fraction form
    19,973.03/27,557.87 = 12,209.88/x
  3. Step 3: Cross multiply
    19,973.03x = 27,557.87 × 12,209.88
  4. Step 4: Simplify right side
    19,973.03x = 336,478,224.71
  5. Step 5: Solve for x
    x = 336,478,224.71/19,973.03
  6. Step 6: Final answer
    x = 16,846.63

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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.