Home / 18,501.08-25,531.44-10,543.32

Finding the Fourth Proportional to 18,501.08, 25,531.44 and 10,543.32

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Solution

The fourth proportional to 18,501.08, 25,531.44 and 10,543.32 is: 14,549.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,501.08 : 25,531.44 = 10,543.32 : x
  2. Step 2: Convert to fraction form
    18,501.08/25,531.44 = 10,543.32/x
  3. Step 3: Cross multiply
    18,501.08x = 25,531.44 × 10,543.32
  4. Step 4: Simplify right side
    18,501.08x = 269,186,141.98
  5. Step 5: Solve for x
    x = 269,186,141.98/18,501.08
  6. Step 6: Final answer
    x = 14,549.75

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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.