Home / 13,295.30-18,354.08-9,068.32

Finding the Fourth Proportional to 13,295.30, 18,354.08 and 9,068.32

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Solution

The fourth proportional to 13,295.30, 18,354.08 and 9,068.32 is: 12,518.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295.30 : 18,354.08 = 9,068.32 : x
  2. Step 2: Convert to fraction form
    13,295.30/18,354.08 = 9,068.32/x
  3. Step 3: Cross multiply
    13,295.30x = 18,354.08 × 9,068.32
  4. Step 4: Simplify right side
    13,295.30x = 166,440,533.63
  5. Step 5: Solve for x
    x = 166,440,533.63/13,295.30
  6. Step 6: Final answer
    x = 12,518.75

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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.