Home / 18,957.05-26,159.63-10,459.20

Finding the Fourth Proportional to 18,957.05, 26,159.63 and 10,459.20

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Solution

The fourth proportional to 18,957.05, 26,159.63 and 10,459.20 is: 14,433.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,957.05 : 26,159.63 = 10,459.20 : x
  2. Step 2: Convert to fraction form
    18,957.05/26,159.63 = 10,459.20/x
  3. Step 3: Cross multiply
    18,957.05x = 26,159.63 × 10,459.20
  4. Step 4: Simplify right side
    18,957.05x = 273,608,749.80
  5. Step 5: Solve for x
    x = 273,608,749.80/18,957.05
  6. Step 6: Final answer
    x = 14,433.09

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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.