Home / 18,975.86-26,186.76-10,477.84

Finding the Fourth Proportional to 18,975.86, 26,186.76 and 10,477.84

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Solution

The fourth proportional to 18,975.86, 26,186.76 and 10,477.84 is: 14,459.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,975.86 : 26,186.76 = 10,477.84 : x
  2. Step 2: Convert to fraction form
    18,975.86/26,186.76 = 10,477.84/x
  3. Step 3: Cross multiply
    18,975.86x = 26,186.76 × 10,477.84
  4. Step 4: Simplify right side
    18,975.86x = 274,380,681.40
  5. Step 5: Solve for x
    x = 274,380,681.40/18,975.86
  6. Step 6: Final answer
    x = 14,459.46

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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.