Home / 43,675.16-65,501.40-12,503.12

Finding the Fourth Proportional to 43,675.16, 65,501.40 and 12,503.12

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Solution

The fourth proportional to 43,675.16, 65,501.40 and 12,503.12 is: 18,751.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,675.16 : 65,501.40 = 12,503.12 : x
  2. Step 2: Convert to fraction form
    43,675.16/65,501.40 = 12,503.12/x
  3. Step 3: Cross multiply
    43,675.16x = 65,501.40 × 12,503.12
  4. Step 4: Simplify right side
    43,675.16x = 818,971,864.37
  5. Step 5: Solve for x
    x = 818,971,864.37/43,675.16
  6. Step 6: Final answer
    x = 18,751.43

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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.