Home / 23,032.60-31,783.72-12,961.48

Finding the Fourth Proportional to 23,032.60, 31,783.72 and 12,961.48

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Solution

The fourth proportional to 23,032.60, 31,783.72 and 12,961.48 is: 17,886.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,032.60 : 31,783.72 = 12,961.48 : x
  2. Step 2: Convert to fraction form
    23,032.60/31,783.72 = 12,961.48/x
  3. Step 3: Cross multiply
    23,032.60x = 31,783.72 × 12,961.48
  4. Step 4: Simplify right side
    23,032.60x = 411,964,051.11
  5. Step 5: Solve for x
    x = 411,964,051.11/23,032.60
  6. Step 6: Final answer
    x = 17,886.13

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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.