Home / 15,430.08-23,145.14-3,743.32

Finding the Fourth Proportional to 15,430.08, 23,145.14 and 3,743.32

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Solution

The fourth proportional to 15,430.08, 23,145.14 and 3,743.32 is: 5,614.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,430.08 : 23,145.14 = 3,743.32 : x
  2. Step 2: Convert to fraction form
    15,430.08/23,145.14 = 3,743.32/x
  3. Step 3: Cross multiply
    15,430.08x = 23,145.14 × 3,743.32
  4. Step 4: Simplify right side
    15,430.08x = 86,639,665.46
  5. Step 5: Solve for x
    x = 86,639,665.46/15,430.08
  6. Step 6: Final answer
    x = 5,614.98

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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.