Home / 48,186.69-72,271.32-13,118.14

Finding the Fourth Proportional to 48,186.69, 72,271.32 and 13,118.14

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Solution

The fourth proportional to 48,186.69, 72,271.32 and 13,118.14 is: 19,674.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,186.69 : 72,271.32 = 13,118.14 : x
  2. Step 2: Convert to fraction form
    48,186.69/72,271.32 = 13,118.14/x
  3. Step 3: Cross multiply
    48,186.69x = 72,271.32 × 13,118.14
  4. Step 4: Simplify right side
    48,186.69x = 948,065,293.74
  5. Step 5: Solve for x
    x = 948,065,293.74/48,186.69
  6. Step 6: Final answer
    x = 19,674.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.