Home / 25,623.12-35,362.23-15,554.13

Finding the Fourth Proportional to 25,623.12, 35,362.23 and 15,554.13

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Solution

The fourth proportional to 25,623.12, 35,362.23 and 15,554.13 is: 21,466.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,623.12 : 35,362.23 = 15,554.13 : x
  2. Step 2: Convert to fraction form
    25,623.12/35,362.23 = 15,554.13/x
  3. Step 3: Cross multiply
    25,623.12x = 35,362.23 × 15,554.13
  4. Step 4: Simplify right side
    25,623.12x = 550,028,722.51
  5. Step 5: Solve for x
    x = 550,028,722.51/25,623.12
  6. Step 6: Final answer
    x = 21,466.11

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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.