Home / 55,189.89-82,783.08-15,746.67

Finding the Fourth Proportional to 55,189.89, 82,783.08 and 15,746.67

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Solution

The fourth proportional to 55,189.89, 82,783.08 and 15,746.67 is: 23,619.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,189.89 : 82,783.08 = 15,746.67 : x
  2. Step 2: Convert to fraction form
    55,189.89/82,783.08 = 15,746.67/x
  3. Step 3: Cross multiply
    55,189.89x = 82,783.08 × 15,746.67
  4. Step 4: Simplify right side
    55,189.89x = 1,303,557,842.34
  5. Step 5: Solve for x
    x = 1,303,557,842.34/55,189.89
  6. Step 6: Final answer
    x = 23,619.50

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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.