Home / 16,683.32-23,009.99-10,715.55

Finding the Fourth Proportional to 16,683.32, 23,009.99 and 10,715.55

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Solution

The fourth proportional to 16,683.32, 23,009.99 and 10,715.55 is: 14,779.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,683.32 : 23,009.99 = 10,715.55 : x
  2. Step 2: Convert to fraction form
    16,683.32/23,009.99 = 10,715.55/x
  3. Step 3: Cross multiply
    16,683.32x = 23,009.99 × 10,715.55
  4. Step 4: Simplify right side
    16,683.32x = 246,564,567.04
  5. Step 5: Solve for x
    x = 246,564,567.04/16,683.32
  6. Step 6: Final answer
    x = 14,779.11

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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.