Home / 18,953.06-26,154.90-10,455.99

Finding the Fourth Proportional to 18,953.06, 26,154.90 and 10,455.99

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Solution

The fourth proportional to 18,953.06, 26,154.90 and 10,455.99 is: 14,429.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,953.06 : 26,154.90 = 10,455.99 : x
  2. Step 2: Convert to fraction form
    18,953.06/26,154.90 = 10,455.99/x
  3. Step 3: Cross multiply
    18,953.06x = 26,154.90 × 10,455.99
  4. Step 4: Simplify right side
    18,953.06x = 273,475,274.77
  5. Step 5: Solve for x
    x = 273,475,274.77/18,953.06
  6. Step 6: Final answer
    x = 14,429.09

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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.