Home / 28,083.34-38,761.07-19,152.13

Finding the Fourth Proportional to 28,083.34, 38,761.07 and 19,152.13

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Solution

The fourth proportional to 28,083.34, 38,761.07 and 19,152.13 is: 26,434.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,083.34 : 38,761.07 = 19,152.13 : x
  2. Step 2: Convert to fraction form
    28,083.34/38,761.07 = 19,152.13/x
  3. Step 3: Cross multiply
    28,083.34x = 38,761.07 × 19,152.13
  4. Step 4: Simplify right side
    28,083.34x = 742,356,955.82
  5. Step 5: Solve for x
    x = 742,356,955.82/28,083.34
  6. Step 6: Final answer
    x = 26,434.07

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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.