Home / 19,973.22-27,558.12-12,210.07

Finding the Fourth Proportional to 19,973.22, 27,558.12 and 12,210.07

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Solution

The fourth proportional to 19,973.22, 27,558.12 and 12,210.07 is: 16,846.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973.22 : 27,558.12 = 12,210.07 : x
  2. Step 2: Convert to fraction form
    19,973.22/27,558.12 = 12,210.07/x
  3. Step 3: Cross multiply
    19,973.22x = 27,558.12 × 12,210.07
  4. Step 4: Simplify right side
    19,973.22x = 336,486,551.16
  5. Step 5: Solve for x
    x = 336,486,551.16/19,973.22
  6. Step 6: Final answer
    x = 16,846.89

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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.