Home / 25,646.86-38,483.63-19,405.04

Finding the Fourth Proportional to 25,646.86, 38,483.63 and 19,405.04

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Solution

The fourth proportional to 25,646.86, 38,483.63 and 19,405.04 is: 29,117.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,646.86 : 38,483.63 = 19,405.04 : x
  2. Step 2: Convert to fraction form
    25,646.86/38,483.63 = 19,405.04/x
  3. Step 3: Cross multiply
    25,646.86x = 38,483.63 × 19,405.04
  4. Step 4: Simplify right side
    25,646.86x = 746,776,379.50
  5. Step 5: Solve for x
    x = 746,776,379.50/25,646.86
  6. Step 6: Final answer
    x = 29,117.65

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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.