Home / 23,090.95-31,879.65-15,032.26

Finding the Fourth Proportional to 23,090.95, 31,879.65 and 15,032.26

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Solution

The fourth proportional to 23,090.95, 31,879.65 and 15,032.26 is: 20,753.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,090.95 : 31,879.65 = 15,032.26 : x
  2. Step 2: Convert to fraction form
    23,090.95/31,879.65 = 15,032.26/x
  3. Step 3: Cross multiply
    23,090.95x = 31,879.65 × 15,032.26
  4. Step 4: Simplify right side
    23,090.95x = 479,223,187.51
  5. Step 5: Solve for x
    x = 479,223,187.51/23,090.95
  6. Step 6: Final answer
    x = 20,753.72

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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.