Home / 19,070.10-26,307.45-11,109.42

Finding the Fourth Proportional to 19,070.10, 26,307.45 and 11,109.42

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Solution

The fourth proportional to 19,070.10, 26,307.45 and 11,109.42 is: 15,325.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,070.10 : 26,307.45 = 11,109.42 : x
  2. Step 2: Convert to fraction form
    19,070.10/26,307.45 = 11,109.42/x
  3. Step 3: Cross multiply
    19,070.10x = 26,307.45 × 11,109.42
  4. Step 4: Simplify right side
    19,070.10x = 292,260,511.18
  5. Step 5: Solve for x
    x = 292,260,511.18/19,070.10
  6. Step 6: Final answer
    x = 15,325.59

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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.