Home / 15,429.34-23,139.20-5,567.32

Finding the Fourth Proportional to 15,429.34, 23,139.20 and 5,567.32

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Solution

The fourth proportional to 15,429.34, 23,139.20 and 5,567.32 is: 8,349.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,429.34 : 23,139.20 = 5,567.32 : x
  2. Step 2: Convert to fraction form
    15,429.34/23,139.20 = 5,567.32/x
  3. Step 3: Cross multiply
    15,429.34x = 23,139.20 × 5,567.32
  4. Step 4: Simplify right side
    15,429.34x = 128,823,330.94
  5. Step 5: Solve for x
    x = 128,823,330.94/15,429.34
  6. Step 6: Final answer
    x = 8,349.24

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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.