Home / 19,038.42-26,283.36-11,486.10

Finding the Fourth Proportional to 19,038.42, 26,283.36 and 11,486.10

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Solution

The fourth proportional to 19,038.42, 26,283.36 and 11,486.10 is: 15,857.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,038.42 : 26,283.36 = 11,486.10 : x
  2. Step 2: Convert to fraction form
    19,038.42/26,283.36 = 11,486.10/x
  3. Step 3: Cross multiply
    19,038.42x = 26,283.36 × 11,486.10
  4. Step 4: Simplify right side
    19,038.42x = 301,893,301.30
  5. Step 5: Solve for x
    x = 301,893,301.30/19,038.42
  6. Step 6: Final answer
    x = 15,857.06

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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.