Home / 25,172.40-37,742.16-14,080.32

Finding the Fourth Proportional to 25,172.40, 37,742.16 and 14,080.32

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Solution

The fourth proportional to 25,172.40, 37,742.16 and 14,080.32 is: 21,111.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,172.40 : 37,742.16 = 14,080.32 : x
  2. Step 2: Convert to fraction form
    25,172.40/37,742.16 = 14,080.32/x
  3. Step 3: Cross multiply
    25,172.40x = 37,742.16 × 14,080.32
  4. Step 4: Simplify right side
    25,172.40x = 531,421,690.29
  5. Step 5: Solve for x
    x = 531,421,690.29/25,172.40
  6. Step 6: Final answer
    x = 21,111.28

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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.