Home / 22,110.34-30,513.63-12,681.94

Finding the Fourth Proportional to 22,110.34, 30,513.63 and 12,681.94

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Solution

The fourth proportional to 22,110.34, 30,513.63 and 12,681.94 is: 17,501.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,110.34 : 30,513.63 = 12,681.94 : x
  2. Step 2: Convert to fraction form
    22,110.34/30,513.63 = 12,681.94/x
  3. Step 3: Cross multiply
    22,110.34x = 30,513.63 × 12,681.94
  4. Step 4: Simplify right side
    22,110.34x = 386,972,024.84
  5. Step 5: Solve for x
    x = 386,972,024.84/22,110.34
  6. Step 6: Final answer
    x = 17,501.86

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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.