Home / 17,129.95-23,638.47-9,574.81

Finding the Fourth Proportional to 17,129.95, 23,638.47 and 9,574.81

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Solution

The fourth proportional to 17,129.95, 23,638.47 and 9,574.81 is: 13,212.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,129.95 : 23,638.47 = 9,574.81 : x
  2. Step 2: Convert to fraction form
    17,129.95/23,638.47 = 9,574.81/x
  3. Step 3: Cross multiply
    17,129.95x = 23,638.47 × 9,574.81
  4. Step 4: Simplify right side
    17,129.95x = 226,333,763.94
  5. Step 5: Solve for x
    x = 226,333,763.94/17,129.95
  6. Step 6: Final answer
    x = 13,212.75

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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.