Home / 15,572.93-21,490.65-11,104.46

Finding the Fourth Proportional to 15,572.93, 21,490.65 and 11,104.46

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Solution

The fourth proportional to 15,572.93, 21,490.65 and 11,104.46 is: 15,324.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,572.93 : 21,490.65 = 11,104.46 : x
  2. Step 2: Convert to fraction form
    15,572.93/21,490.65 = 11,104.46/x
  3. Step 3: Cross multiply
    15,572.93x = 21,490.65 × 11,104.46
  4. Step 4: Simplify right side
    15,572.93x = 238,642,036.44
  5. Step 5: Solve for x
    x = 238,642,036.44/15,572.93
  6. Step 6: Final answer
    x = 15,324.16

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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.