Home / 15,269.28-21,068.52-11,026.68

Finding the Fourth Proportional to 15,269.28, 21,068.52 and 11,026.68

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Solution

The fourth proportional to 15,269.28, 21,068.52 and 11,026.68 is: 15,214.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,269.28 : 21,068.52 = 11,026.68 : x
  2. Step 2: Convert to fraction form
    15,269.28/21,068.52 = 11,026.68/x
  3. Step 3: Cross multiply
    15,269.28x = 21,068.52 × 11,026.68
  4. Step 4: Simplify right side
    15,269.28x = 232,315,828.11
  5. Step 5: Solve for x
    x = 232,315,828.11/15,269.28
  6. Step 6: Final answer
    x = 15,214.59

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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.