Home / 14,157.99-19,543.32-10,631.39

Finding the Fourth Proportional to 14,157.99, 19,543.32 and 10,631.39

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Solution

The fourth proportional to 14,157.99, 19,543.32 and 10,631.39 is: 14,675.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,157.99 : 19,543.32 = 10,631.39 : x
  2. Step 2: Convert to fraction form
    14,157.99/19,543.32 = 10,631.39/x
  3. Step 3: Cross multiply
    14,157.99x = 19,543.32 × 10,631.39
  4. Step 4: Simplify right side
    14,157.99x = 207,772,559.10
  5. Step 5: Solve for x
    x = 207,772,559.10/14,157.99
  6. Step 6: Final answer
    x = 14,675.29

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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.