Home / 15,363.32-21,195.96-10,061.08

Finding the Fourth Proportional to 15,363.32, 21,195.96 and 10,061.08

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Solution

The fourth proportional to 15,363.32, 21,195.96 and 10,061.08 is: 13,880.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,363.32 : 21,195.96 = 10,061.08 : x
  2. Step 2: Convert to fraction form
    15,363.32/21,195.96 = 10,061.08/x
  3. Step 3: Cross multiply
    15,363.32x = 21,195.96 × 10,061.08
  4. Step 4: Simplify right side
    15,363.32x = 213,254,249.24
  5. Step 5: Solve for x
    x = 213,254,249.24/15,363.32
  6. Step 6: Final answer
    x = 13,880.74

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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.