Home / 18,923.74-26,114.72-10,970.56

Finding the Fourth Proportional to 18,923.74, 26,114.72 and 10,970.56

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Solution

The fourth proportional to 18,923.74, 26,114.72 and 10,970.56 is: 15,139.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,923.74 : 26,114.72 = 10,970.56 : x
  2. Step 2: Convert to fraction form
    18,923.74/26,114.72 = 10,970.56/x
  3. Step 3: Cross multiply
    18,923.74x = 26,114.72 × 10,970.56
  4. Step 4: Simplify right side
    18,923.74x = 286,493,102.64
  5. Step 5: Solve for x
    x = 286,493,102.64/18,923.74
  6. Step 6: Final answer
    x = 15,139.35

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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.