Home / 13,124.33-19,686.23-4,359.32

Finding the Fourth Proportional to 13,124.33, 19,686.23 and 4,359.32

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Solution

The fourth proportional to 13,124.33, 19,686.23 and 4,359.32 is: 6,538.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124.33 : 19,686.23 = 4,359.32 : x
  2. Step 2: Convert to fraction form
    13,124.33/19,686.23 = 4,359.32/x
  3. Step 3: Cross multiply
    13,124.33x = 19,686.23 × 4,359.32
  4. Step 4: Simplify right side
    13,124.33x = 85,818,554.37
  5. Step 5: Solve for x
    x = 85,818,554.37/13,124.33
  6. Step 6: Final answer
    x = 6,538.89

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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.