Home / 18,543.63-25,590.04-10,045.56

Finding the Fourth Proportional to 18,543.63, 25,590.04 and 10,045.56

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Solution

The fourth proportional to 18,543.63, 25,590.04 and 10,045.56 is: 13,862.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,543.63 : 25,590.04 = 10,045.56 : x
  2. Step 2: Convert to fraction form
    18,543.63/25,590.04 = 10,045.56/x
  3. Step 3: Cross multiply
    18,543.63x = 25,590.04 × 10,045.56
  4. Step 4: Simplify right side
    18,543.63x = 257,066,282.22
  5. Step 5: Solve for x
    x = 257,066,282.22/18,543.63
  6. Step 6: Final answer
    x = 13,862.78

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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.