Home / 13,700.04-20,532.32-6,666.42

Finding the Fourth Proportional to 13,700.04, 20,532.32 and 6,666.42

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Solution

The fourth proportional to 13,700.04, 20,532.32 and 6,666.42 is: 9,991.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,700.04 : 20,532.32 = 6,666.42 : x
  2. Step 2: Convert to fraction form
    13,700.04/20,532.32 = 6,666.42/x
  3. Step 3: Cross multiply
    13,700.04x = 20,532.32 × 6,666.42
  4. Step 4: Simplify right side
    13,700.04x = 136,877,068.69
  5. Step 5: Solve for x
    x = 136,877,068.69/13,700.04
  6. Step 6: Final answer
    x = 9,991.00

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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.