Home / 16,430.04-22,675.68-9,357.12

Finding the Fourth Proportional to 16,430.04, 22,675.68 and 9,357.12

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Solution

The fourth proportional to 16,430.04, 22,675.68 and 9,357.12 is: 12,914.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,430.04 : 22,675.68 = 9,357.12 : x
  2. Step 2: Convert to fraction form
    16,430.04/22,675.68 = 9,357.12/x
  3. Step 3: Cross multiply
    16,430.04x = 22,675.68 × 9,357.12
  4. Step 4: Simplify right side
    16,430.04x = 212,179,058.84
  5. Step 5: Solve for x
    x = 212,179,058.84/16,430.04
  6. Step 6: Final answer
    x = 12,914.09

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Half scale
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Double scale
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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.