Home / 15,933.04-23,782.28-13,867.60

Finding the Fourth Proportional to 15,933.04, 23,782.28 and 13,867.60

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Solution

The fourth proportional to 15,933.04, 23,782.28 and 13,867.60 is: 20,699.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,933.04 : 23,782.28 = 13,867.60 : x
  2. Step 2: Convert to fraction form
    15,933.04/23,782.28 = 13,867.60/x
  3. Step 3: Cross multiply
    15,933.04x = 23,782.28 × 13,867.60
  4. Step 4: Simplify right side
    15,933.04x = 329,803,146.13
  5. Step 5: Solve for x
    x = 329,803,146.13/15,933.04
  6. Step 6: Final answer
    x = 20,699.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.