Home / 14,355.36-19,820.16-10,578.96

Finding the Fourth Proportional to 14,355.36, 19,820.16 and 10,578.96

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Solution

The fourth proportional to 14,355.36, 19,820.16 and 10,578.96 is: 14,606.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,355.36 : 19,820.16 = 10,578.96 : x
  2. Step 2: Convert to fraction form
    14,355.36/19,820.16 = 10,578.96/x
  3. Step 3: Cross multiply
    14,355.36x = 19,820.16 × 10,578.96
  4. Step 4: Simplify right side
    14,355.36x = 209,676,679.83
  5. Step 5: Solve for x
    x = 209,676,679.83/14,355.36
  6. Step 6: Final answer
    x = 14,606.16

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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.