Home / 15,782.40-23,690.16-9,558

Finding the Fourth Proportional to 15,782.40, 23,690.16 and 9,558

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Solution

The fourth proportional to 15,782.40, 23,690.16 and 9,558 is: 14,347.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,782.40 : 23,690.16 = 9,558 : x
  2. Step 2: Convert to fraction form
    15,782.40/23,690.16 = 9,558/x
  3. Step 3: Cross multiply
    15,782.40x = 23,690.16 × 9,558
  4. Step 4: Simplify right side
    15,782.40x = 226,430,549.28
  5. Step 5: Solve for x
    x = 226,430,549.28/15,782.40
  6. Step 6: Final answer
    x = 14,347.03

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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.