Home / 30,192.63-41,636.87-19,426.51

Finding the Fourth Proportional to 30,192.63, 41,636.87 and 19,426.51

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Solution

The fourth proportional to 30,192.63, 41,636.87 and 19,426.51 is: 26,789.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,192.63 : 41,636.87 = 19,426.51 : x
  2. Step 2: Convert to fraction form
    30,192.63/41,636.87 = 19,426.51/x
  3. Step 3: Cross multiply
    30,192.63x = 41,636.87 × 19,426.51
  4. Step 4: Simplify right side
    30,192.63x = 808,859,071.42
  5. Step 5: Solve for x
    x = 808,859,071.42/30,192.63
  6. Step 6: Final answer
    x = 26,789.95

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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.