Home / 17,870.69-26,763.65-14,160.99

Finding the Fourth Proportional to 17,870.69, 26,763.65 and 14,160.99

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Solution

The fourth proportional to 17,870.69, 26,763.65 and 14,160.99 is: 21,207.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,870.69 : 26,763.65 = 14,160.99 : x
  2. Step 2: Convert to fraction form
    17,870.69/26,763.65 = 14,160.99/x
  3. Step 3: Cross multiply
    17,870.69x = 26,763.65 × 14,160.99
  4. Step 4: Simplify right side
    17,870.69x = 378,999,681.60
  5. Step 5: Solve for x
    x = 378,999,681.60/17,870.69
  6. Step 6: Final answer
    x = 21,207.90

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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.