Home / 23,690.19-35,532.45-18,430.47

Finding the Fourth Proportional to 23,690.19, 35,532.45 and 18,430.47

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Solution

The fourth proportional to 23,690.19, 35,532.45 and 18,430.47 is: 27,643.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,690.19 : 35,532.45 = 18,430.47 : x
  2. Step 2: Convert to fraction form
    23,690.19/35,532.45 = 18,430.47/x
  3. Step 3: Cross multiply
    23,690.19x = 35,532.45 × 18,430.47
  4. Step 4: Simplify right side
    23,690.19x = 654,879,753.75
  5. Step 5: Solve for x
    x = 654,879,753.75/23,690.19
  6. Step 6: Final answer
    x = 27,643.50

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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.