Home / 25,420.26-35,071.93-14,663.68

Finding the Fourth Proportional to 25,420.26, 35,071.93 and 14,663.68

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Solution

The fourth proportional to 25,420.26, 35,071.93 and 14,663.68 is: 20,231.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,420.26 : 35,071.93 = 14,663.68 : x
  2. Step 2: Convert to fraction form
    25,420.26/35,071.93 = 14,663.68/x
  3. Step 3: Cross multiply
    25,420.26x = 35,071.93 × 14,663.68
  4. Step 4: Simplify right side
    25,420.26x = 514,283,558.50
  5. Step 5: Solve for x
    x = 514,283,558.50/25,420.26
  6. Step 6: Final answer
    x = 20,231.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.