Home / 15,730.23-23,595.21-7,405.70

Finding the Fourth Proportional to 15,730.23, 23,595.21 and 7,405.70

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Solution

The fourth proportional to 15,730.23, 23,595.21 and 7,405.70 is: 11,108.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,730.23 : 23,595.21 = 7,405.70 : x
  2. Step 2: Convert to fraction form
    15,730.23/23,595.21 = 7,405.70/x
  3. Step 3: Cross multiply
    15,730.23x = 23,595.21 × 7,405.70
  4. Step 4: Simplify right side
    15,730.23x = 174,739,046.70
  5. Step 5: Solve for x
    x = 174,739,046.70/15,730.23
  6. Step 6: Final answer
    x = 11,108.49

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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.