Home / 15,712.04-23,571.54-5,185.32

Finding the Fourth Proportional to 15,712.04, 23,571.54 and 5,185.32

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Solution

The fourth proportional to 15,712.04, 23,571.54 and 5,185.32 is: 7,779.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,712.04 : 23,571.54 = 5,185.32 : x
  2. Step 2: Convert to fraction form
    15,712.04/23,571.54 = 5,185.32/x
  3. Step 3: Cross multiply
    15,712.04x = 23,571.54 × 5,185.32
  4. Step 4: Simplify right side
    15,712.04x = 122,225,889.40
  5. Step 5: Solve for x
    x = 122,225,889.40/15,712.04
  6. Step 6: Final answer
    x = 7,779.12

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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.