Home / 15,605.18-23,407.79-5,216.93

Finding the Fourth Proportional to 15,605.18, 23,407.79 and 5,216.93

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Solution

The fourth proportional to 15,605.18, 23,407.79 and 5,216.93 is: 7,825.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,605.18 : 23,407.79 = 5,216.93 : x
  2. Step 2: Convert to fraction form
    15,605.18/23,407.79 = 5,216.93/x
  3. Step 3: Cross multiply
    15,605.18x = 23,407.79 × 5,216.93
  4. Step 4: Simplify right side
    15,605.18x = 122,116,834.32
  5. Step 5: Solve for x
    x = 122,116,834.32/15,605.18
  6. Step 6: Final answer
    x = 7,825.40

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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.