Home / 18,970.54-26,186.52-14,268.40

Finding the Fourth Proportional to 18,970.54, 26,186.52 and 14,268.40

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Solution

The fourth proportional to 18,970.54, 26,186.52 and 14,268.40 is: 19,695.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,970.54 : 26,186.52 = 14,268.40 : x
  2. Step 2: Convert to fraction form
    18,970.54/26,186.52 = 14,268.40/x
  3. Step 3: Cross multiply
    18,970.54x = 26,186.52 × 14,268.40
  4. Step 4: Simplify right side
    18,970.54x = 373,639,741.97
  5. Step 5: Solve for x
    x = 373,639,741.97/18,970.54
  6. Step 6: Final answer
    x = 19,695.79

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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.