Home / 15,638.08-23,459.42-4,543.32

Finding the Fourth Proportional to 15,638.08, 23,459.42 and 4,543.32

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Solution

The fourth proportional to 15,638.08, 23,459.42 and 4,543.32 is: 6,815.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,638.08 : 23,459.42 = 4,543.32 : x
  2. Step 2: Convert to fraction form
    15,638.08/23,459.42 = 4,543.32/x
  3. Step 3: Cross multiply
    15,638.08x = 23,459.42 × 4,543.32
  4. Step 4: Simplify right side
    15,638.08x = 106,583,652.07
  5. Step 5: Solve for x
    x = 106,583,652.07/15,638.08
  6. Step 6: Final answer
    x = 6,815.65

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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.