Home / 42,909.08-64,353.37-14,830.13

Finding the Fourth Proportional to 42,909.08, 64,353.37 and 14,830.13

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Solution

The fourth proportional to 42,909.08, 64,353.37 and 14,830.13 is: 22,241.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,909.08 : 64,353.37 = 14,830.13 : x
  2. Step 2: Convert to fraction form
    42,909.08/64,353.37 = 14,830.13/x
  3. Step 3: Cross multiply
    42,909.08x = 64,353.37 × 14,830.13
  4. Step 4: Simplify right side
    42,909.08x = 954,368,843.04
  5. Step 5: Solve for x
    x = 954,368,843.04/42,909.08
  6. Step 6: Final answer
    x = 22,241.65

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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.