Home / 14,985.06-20,670.48-9,683.01

Finding the Fourth Proportional to 14,985.06, 20,670.48 and 9,683.01

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Solution

The fourth proportional to 14,985.06, 20,670.48 and 9,683.01 is: 13,356.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985.06 : 20,670.48 = 9,683.01 : x
  2. Step 2: Convert to fraction form
    14,985.06/20,670.48 = 9,683.01/x
  3. Step 3: Cross multiply
    14,985.06x = 20,670.48 × 9,683.01
  4. Step 4: Simplify right side
    14,985.06x = 200,152,464.54
  5. Step 5: Solve for x
    x = 200,152,464.54/14,985.06
  6. Step 6: Final answer
    x = 13,356.80

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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.