Home / 18,838.98-26,002.57-12,873.06

Finding the Fourth Proportional to 18,838.98, 26,002.57 and 12,873.06

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Solution

The fourth proportional to 18,838.98, 26,002.57 and 12,873.06 is: 17,768.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,838.98 : 26,002.57 = 12,873.06 : x
  2. Step 2: Convert to fraction form
    18,838.98/26,002.57 = 12,873.06/x
  3. Step 3: Cross multiply
    18,838.98x = 26,002.57 × 12,873.06
  4. Step 4: Simplify right side
    18,838.98x = 334,732,643.76
  5. Step 5: Solve for x
    x = 334,732,643.76/18,838.98
  6. Step 6: Final answer
    x = 17,768.09

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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.