Home / 26,487.80-39,715.50-10,700.12

Finding the Fourth Proportional to 26,487.80, 39,715.50 and 10,700.12

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Solution

The fourth proportional to 26,487.80, 39,715.50 and 10,700.12 is: 16,043.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,487.80 : 39,715.50 = 10,700.12 : x
  2. Step 2: Convert to fraction form
    26,487.80/39,715.50 = 10,700.12/x
  3. Step 3: Cross multiply
    26,487.80x = 39,715.50 × 10,700.12
  4. Step 4: Simplify right side
    26,487.80x = 424,960,615.86
  5. Step 5: Solve for x
    x = 424,960,615.86/26,487.80
  6. Step 6: Final answer
    x = 16,043.64

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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.