Home / 22,623.49-31,238.76-14,135.50

Finding the Fourth Proportional to 22,623.49, 31,238.76 and 14,135.50

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Solution

The fourth proportional to 22,623.49, 31,238.76 and 14,135.50 is: 19,518.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,623.49 : 31,238.76 = 14,135.50 : x
  2. Step 2: Convert to fraction form
    22,623.49/31,238.76 = 14,135.50/x
  3. Step 3: Cross multiply
    22,623.49x = 31,238.76 × 14,135.50
  4. Step 4: Simplify right side
    22,623.49x = 441,575,491.98
  5. Step 5: Solve for x
    x = 441,575,491.98/22,623.49
  6. Step 6: Final answer
    x = 19,518.45

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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.