Home / 13,349.52-18,410.40-9,098.64

Finding the Fourth Proportional to 13,349.52, 18,410.40 and 9,098.64

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Solution

The fourth proportional to 13,349.52, 18,410.40 and 9,098.64 is: 12,547.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349.52 : 18,410.40 = 9,098.64 : x
  2. Step 2: Convert to fraction form
    13,349.52/18,410.40 = 9,098.64/x
  3. Step 3: Cross multiply
    13,349.52x = 18,410.40 × 9,098.64
  4. Step 4: Simplify right side
    13,349.52x = 167,509,601.86
  5. Step 5: Solve for x
    x = 167,509,601.86/13,349.52
  6. Step 6: Final answer
    x = 12,547.99

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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.