Home / 17,328.40-23,898.60-13,345.04

Finding the Fourth Proportional to 17,328.40, 23,898.60 and 13,345.04

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Solution

The fourth proportional to 17,328.40, 23,898.60 and 13,345.04 is: 18,404.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,328.40 : 23,898.60 = 13,345.04 : x
  2. Step 2: Convert to fraction form
    17,328.40/23,898.60 = 13,345.04/x
  3. Step 3: Cross multiply
    17,328.40x = 23,898.60 × 13,345.04
  4. Step 4: Simplify right side
    17,328.40x = 318,927,772.94
  5. Step 5: Solve for x
    x = 318,927,772.94/17,328.40
  6. Step 6: Final answer
    x = 18,404.92

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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.