Home / 25,948.32-38,888.64-11,903.28

Finding the Fourth Proportional to 25,948.32, 38,888.64 and 11,903.28

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Solution

The fourth proportional to 25,948.32, 38,888.64 and 11,903.28 is: 17,839.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,948.32 : 38,888.64 = 11,903.28 : x
  2. Step 2: Convert to fraction form
    25,948.32/38,888.64 = 11,903.28/x
  3. Step 3: Cross multiply
    25,948.32x = 38,888.64 × 11,903.28
  4. Step 4: Simplify right side
    25,948.32x = 462,902,370.74
  5. Step 5: Solve for x
    x = 462,902,370.74/25,948.32
  6. Step 6: Final answer
    x = 17,839.40

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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.