Home / 13,158.48-19,698.30-9,698.16

Finding the Fourth Proportional to 13,158.48, 19,698.30 and 9,698.16

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Solution

The fourth proportional to 13,158.48, 19,698.30 and 9,698.16 is: 14,518.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,158.48 : 19,698.30 = 9,698.16 : x
  2. Step 2: Convert to fraction form
    13,158.48/19,698.30 = 9,698.16/x
  3. Step 3: Cross multiply
    13,158.48x = 19,698.30 × 9,698.16
  4. Step 4: Simplify right side
    13,158.48x = 191,037,265.13
  5. Step 5: Solve for x
    x = 191,037,265.13/13,158.48
  6. Step 6: Final answer
    x = 14,518.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.