Home / 23,026.57-31,776.32-12,955.02

Finding the Fourth Proportional to 23,026.57, 31,776.32 and 12,955.02

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Solution

The fourth proportional to 23,026.57, 31,776.32 and 12,955.02 is: 17,877.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,026.57 : 31,776.32 = 12,955.02 : x
  2. Step 2: Convert to fraction form
    23,026.57/31,776.32 = 12,955.02/x
  3. Step 3: Cross multiply
    23,026.57x = 31,776.32 × 12,955.02
  4. Step 4: Simplify right side
    23,026.57x = 411,662,861.13
  5. Step 5: Solve for x
    x = 411,662,861.13/23,026.57
  6. Step 6: Final answer
    x = 17,877.73

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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.