Home / 18,954.06-26,156.70-10,456.50

Finding the Fourth Proportional to 18,954.06, 26,156.70 and 10,456.50

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Solution

The fourth proportional to 18,954.06, 26,156.70 and 10,456.50 is: 14,430.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954.06 : 26,156.70 = 10,456.50 : x
  2. Step 2: Convert to fraction form
    18,954.06/26,156.70 = 10,456.50/x
  3. Step 3: Cross multiply
    18,954.06x = 26,156.70 × 10,456.50
  4. Step 4: Simplify right side
    18,954.06x = 273,507,533.55
  5. Step 5: Solve for x
    x = 273,507,533.55/18,954.06
  6. Step 6: Final answer
    x = 14,430.02

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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.