Home / 18,543.04-25,588.80-10,159.36

Finding the Fourth Proportional to 18,543.04, 25,588.80 and 10,159.36

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Solution

The fourth proportional to 18,543.04, 25,588.80 and 10,159.36 is: 14,019.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,543.04 : 25,588.80 = 10,159.36 : x
  2. Step 2: Convert to fraction form
    18,543.04/25,588.80 = 10,159.36/x
  3. Step 3: Cross multiply
    18,543.04x = 25,588.80 × 10,159.36
  4. Step 4: Simplify right side
    18,543.04x = 259,965,831.17
  5. Step 5: Solve for x
    x = 259,965,831.17/18,543.04
  6. Step 6: Final answer
    x = 14,019.59

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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.