Home / 32,740.10-45,186.81-19,314.68

Finding the Fourth Proportional to 32,740.10, 45,186.81 and 19,314.68

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Solution

The fourth proportional to 32,740.10, 45,186.81 and 19,314.68 is: 26,657.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,740.10 : 45,186.81 = 19,314.68 : x
  2. Step 2: Convert to fraction form
    32,740.10/45,186.81 = 19,314.68/x
  3. Step 3: Cross multiply
    32,740.10x = 45,186.81 × 19,314.68
  4. Step 4: Simplify right side
    32,740.10x = 872,768,775.37
  5. Step 5: Solve for x
    x = 872,768,775.37/32,740.10
  6. Step 6: Final answer
    x = 26,657.49

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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.