Home / 19,260.16-26,553.32-15,294.40

Finding the Fourth Proportional to 19,260.16, 26,553.32 and 15,294.40

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Solution

The fourth proportional to 19,260.16, 26,553.32 and 15,294.40 is: 21,085.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,260.16 : 26,553.32 = 15,294.40 : x
  2. Step 2: Convert to fraction form
    19,260.16/26,553.32 = 15,294.40/x
  3. Step 3: Cross multiply
    19,260.16x = 26,553.32 × 15,294.40
  4. Step 4: Simplify right side
    19,260.16x = 406,117,097.41
  5. Step 5: Solve for x
    x = 406,117,097.41/19,260.16
  6. Step 6: Final answer
    x = 21,085.86

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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.