Home / 23,125.39-31,913.95-13,054.18

Finding the Fourth Proportional to 23,125.39, 31,913.95 and 13,054.18

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Solution

The fourth proportional to 23,125.39, 31,913.95 and 13,054.18 is: 18,015.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,125.39 : 31,913.95 = 13,054.18 : x
  2. Step 2: Convert to fraction form
    23,125.39/31,913.95 = 13,054.18/x
  3. Step 3: Cross multiply
    23,125.39x = 31,913.95 × 13,054.18
  4. Step 4: Simplify right side
    23,125.39x = 416,610,447.81
  5. Step 5: Solve for x
    x = 416,610,447.81/23,125.39
  6. Step 6: Final answer
    x = 18,015.28

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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.