Home / 26,430.23-39,567.56-17,643.35

Finding the Fourth Proportional to 26,430.23, 39,567.56 and 17,643.35

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Solution

The fourth proportional to 26,430.23, 39,567.56 and 17,643.35 is: 26,413.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,430.23 : 39,567.56 = 17,643.35 : x
  2. Step 2: Convert to fraction form
    26,430.23/39,567.56 = 17,643.35/x
  3. Step 3: Cross multiply
    26,430.23x = 39,567.56 × 17,643.35
  4. Step 4: Simplify right side
    26,430.23x = 698,104,023.67
  5. Step 5: Solve for x
    x = 698,104,023.67/26,430.23
  6. Step 6: Final answer
    x = 26,413.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.