Home / 15,467.85-21,345.36-9,416.07

Finding the Fourth Proportional to 15,467.85, 21,345.36 and 9,416.07

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Solution

The fourth proportional to 15,467.85, 21,345.36 and 9,416.07 is: 12,994.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,467.85 : 21,345.36 = 9,416.07 : x
  2. Step 2: Convert to fraction form
    15,467.85/21,345.36 = 9,416.07/x
  3. Step 3: Cross multiply
    15,467.85x = 21,345.36 × 9,416.07
  4. Step 4: Simplify right side
    15,467.85x = 200,989,403.94
  5. Step 5: Solve for x
    x = 200,989,403.94/15,467.85
  6. Step 6: Final answer
    x = 12,994.01

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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.