Home / 32,649.12-45,054.90-18,503.28

Finding the Fourth Proportional to 32,649.12, 45,054.90 and 18,503.28

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Solution

The fourth proportional to 32,649.12, 45,054.90 and 18,503.28 is: 25,534.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,649.12 : 45,054.90 = 18,503.28 : x
  2. Step 2: Convert to fraction form
    32,649.12/45,054.90 = 18,503.28/x
  3. Step 3: Cross multiply
    32,649.12x = 45,054.90 × 18,503.28
  4. Step 4: Simplify right side
    32,649.12x = 833,663,430.07
  5. Step 5: Solve for x
    x = 833,663,430.07/32,649.12
  6. Step 6: Final answer
    x = 25,534.02

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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.