Home / 16,506.65-22,740.68-13,505.00

Finding the Fourth Proportional to 16,506.65, 22,740.68 and 13,505.00

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Solution

The fourth proportional to 16,506.65, 22,740.68 and 13,505.00 is: 18,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,506.65 : 22,740.68 = 13,505.00 : x
  2. Step 2: Convert to fraction form
    16,506.65/22,740.68 = 13,505.00/x
  3. Step 3: Cross multiply
    16,506.65x = 22,740.68 × 13,505.00
  4. Step 4: Simplify right side
    16,506.65x = 307,112,803.46
  5. Step 5: Solve for x
    x = 307,112,803.46/16,506.65
  6. Step 6: Final answer
    x = 18,605.40

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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.