Home / 19,212.36-26,526.42-12,045.12

Finding the Fourth Proportional to 19,212.36, 26,526.42 and 12,045.12

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Solution

The fourth proportional to 19,212.36, 26,526.42 and 12,045.12 is: 16,630.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,212.36 : 26,526.42 = 12,045.12 : x
  2. Step 2: Convert to fraction form
    19,212.36/26,526.42 = 12,045.12/x
  3. Step 3: Cross multiply
    19,212.36x = 26,526.42 × 12,045.12
  4. Step 4: Simplify right side
    19,212.36x = 319,513,912.07
  5. Step 5: Solve for x
    x = 319,513,912.07/19,212.36
  6. Step 6: Final answer
    x = 16,630.64

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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.