Home / 54,421.56-81,632.76-14,980.84

Finding the Fourth Proportional to 54,421.56, 81,632.76 and 14,980.84

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Solution

The fourth proportional to 54,421.56, 81,632.76 and 14,980.84 is: 22,471.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,421.56 : 81,632.76 = 14,980.84 : x
  2. Step 2: Convert to fraction form
    54,421.56/81,632.76 = 14,980.84/x
  3. Step 3: Cross multiply
    54,421.56x = 81,632.76 × 14,980.84
  4. Step 4: Simplify right side
    54,421.56x = 1,222,927,316.32
  5. Step 5: Solve for x
    x = 1,222,927,316.32/54,421.56
  6. Step 6: Final answer
    x = 22,471.38

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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.