Home / 25,384.40-38,085.60-11,343.12

Finding the Fourth Proportional to 25,384.40, 38,085.60 and 11,343.12

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Solution

The fourth proportional to 25,384.40, 38,085.60 and 11,343.12 is: 17,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,384.40 : 38,085.60 = 11,343.12 : x
  2. Step 2: Convert to fraction form
    25,384.40/38,085.60 = 11,343.12/x
  3. Step 3: Cross multiply
    25,384.40x = 38,085.60 × 11,343.12
  4. Step 4: Simplify right side
    25,384.40x = 432,009,531.07
  5. Step 5: Solve for x
    x = 432,009,531.07/25,384.40
  6. Step 6: Final answer
    x = 17,018.70

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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.