Home / 19,490.10-26,896.35-10,537.60

Finding the Fourth Proportional to 19,490.10, 26,896.35 and 10,537.60

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Solution

The fourth proportional to 19,490.10, 26,896.35 and 10,537.60 is: 14,541.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,490.10 : 26,896.35 = 10,537.60 : x
  2. Step 2: Convert to fraction form
    19,490.10/26,896.35 = 10,537.60/x
  3. Step 3: Cross multiply
    19,490.10x = 26,896.35 × 10,537.60
  4. Step 4: Simplify right side
    19,490.10x = 283,422,977.76
  5. Step 5: Solve for x
    x = 283,422,977.76/19,490.10
  6. Step 6: Final answer
    x = 14,541.89

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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.