Home / 19,258.16-26,550.56-15,292.40

Finding the Fourth Proportional to 19,258.16, 26,550.56 and 15,292.40

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Solution

The fourth proportional to 19,258.16, 26,550.56 and 15,292.40 is: 21,083.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,258.16 : 26,550.56 = 15,292.40 : x
  2. Step 2: Convert to fraction form
    19,258.16/26,550.56 = 15,292.40/x
  3. Step 3: Cross multiply
    19,258.16x = 26,550.56 × 15,292.40
  4. Step 4: Simplify right side
    19,258.16x = 406,021,783.74
  5. Step 5: Solve for x
    x = 406,021,783.74/19,258.16
  6. Step 6: Final answer
    x = 21,083.10

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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.