Home / 25,582.71-38,341.80-13,707

Finding the Fourth Proportional to 25,582.71, 38,341.80 and 13,707

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Solution

The fourth proportional to 25,582.71, 38,341.80 and 13,707 is: 20,543.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,582.71 : 38,341.80 = 13,707 : x
  2. Step 2: Convert to fraction form
    25,582.71/38,341.80 = 13,707/x
  3. Step 3: Cross multiply
    25,582.71x = 38,341.80 × 13,707
  4. Step 4: Simplify right side
    25,582.71x = 525,551,052.60
  5. Step 5: Solve for x
    x = 525,551,052.60/25,582.71
  6. Step 6: Final answer
    x = 20,543.21

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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.