Home / 19,122.12-26,389.02-12,410.52

Finding the Fourth Proportional to 19,122.12, 26,389.02 and 12,410.52

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Solution

The fourth proportional to 19,122.12, 26,389.02 and 12,410.52 is: 17,126.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,122.12 : 26,389.02 = 12,410.52 : x
  2. Step 2: Convert to fraction form
    19,122.12/26,389.02 = 12,410.52/x
  3. Step 3: Cross multiply
    19,122.12x = 26,389.02 × 12,410.52
  4. Step 4: Simplify right side
    19,122.12x = 327,501,460.49
  5. Step 5: Solve for x
    x = 327,501,460.49/19,122.12
  6. Step 6: Final answer
    x = 17,126.84

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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.