Home / 15,420.51-23,134.40-5,032.25

Finding the Fourth Proportional to 15,420.51, 23,134.40 and 5,032.25

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Solution

The fourth proportional to 15,420.51, 23,134.40 and 5,032.25 is: 7,549.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,420.51 : 23,134.40 = 5,032.25 : x
  2. Step 2: Convert to fraction form
    15,420.51/23,134.40 = 5,032.25/x
  3. Step 3: Cross multiply
    15,420.51x = 23,134.40 × 5,032.25
  4. Step 4: Simplify right side
    15,420.51x = 116,418,084.40
  5. Step 5: Solve for x
    x = 116,418,084.40/15,420.51
  6. Step 6: Final answer
    x = 7,549.56

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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.