Home / 19,038.54-28,421.52-16,548.09

Finding the Fourth Proportional to 19,038.54, 28,421.52 and 16,548.09

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Solution

The fourth proportional to 19,038.54, 28,421.52 and 16,548.09 is: 24,703.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,038.54 : 28,421.52 = 16,548.09 : x
  2. Step 2: Convert to fraction form
    19,038.54/28,421.52 = 16,548.09/x
  3. Step 3: Cross multiply
    19,038.54x = 28,421.52 × 16,548.09
  4. Step 4: Simplify right side
    19,038.54x = 470,321,870.90
  5. Step 5: Solve for x
    x = 470,321,870.90/19,038.54
  6. Step 6: Final answer
    x = 24,703.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.