Home / 15,690.48-23,520.87-5,823.06

Finding the Fourth Proportional to 15,690.48, 23,520.87 and 5,823.06

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Solution

The fourth proportional to 15,690.48, 23,520.87 and 5,823.06 is: 8,729.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,690.48 : 23,520.87 = 5,823.06 : x
  2. Step 2: Convert to fraction form
    15,690.48/23,520.87 = 5,823.06/x
  3. Step 3: Cross multiply
    15,690.48x = 23,520.87 × 5,823.06
  4. Step 4: Simplify right side
    15,690.48x = 136,963,437.26
  5. Step 5: Solve for x
    x = 136,963,437.26/15,690.48
  6. Step 6: Final answer
    x = 8,729.08

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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.