Home / 22,845.63-31,526.88-12,774.03

Finding the Fourth Proportional to 22,845.63, 31,526.88 and 12,774.03

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Solution

The fourth proportional to 22,845.63, 31,526.88 and 12,774.03 is: 17,628.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,845.63 : 31,526.88 = 12,774.03 : x
  2. Step 2: Convert to fraction form
    22,845.63/31,526.88 = 12,774.03/x
  3. Step 3: Cross multiply
    22,845.63x = 31,526.88 × 12,774.03
  4. Step 4: Simplify right side
    22,845.63x = 402,725,310.93
  5. Step 5: Solve for x
    x = 402,725,310.93/22,845.63
  6. Step 6: Final answer
    x = 17,628.11

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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.