Home / 23,032.55-31,784.87-12,961.01

Finding the Fourth Proportional to 23,032.55, 31,784.87 and 12,961.01

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Solution

The fourth proportional to 23,032.55, 31,784.87 and 12,961.01 is: 17,886.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,032.55 : 31,784.87 = 12,961.01 : x
  2. Step 2: Convert to fraction form
    23,032.55/31,784.87 = 12,961.01/x
  3. Step 3: Cross multiply
    23,032.55x = 31,784.87 × 12,961.01
  4. Step 4: Simplify right side
    23,032.55x = 411,964,129.78
  5. Step 5: Solve for x
    x = 411,964,129.78/23,032.55
  6. Step 6: Final answer
    x = 17,886.17

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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.