Home / 28,823.04-39,763.71-18,748.26

Finding the Fourth Proportional to 28,823.04, 39,763.71 and 18,748.26

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Solution

The fourth proportional to 28,823.04, 39,763.71 and 18,748.26 is: 25,864.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,823.04 : 39,763.71 = 18,748.26 : x
  2. Step 2: Convert to fraction form
    28,823.04/39,763.71 = 18,748.26/x
  3. Step 3: Cross multiply
    28,823.04x = 39,763.71 × 18,748.26
  4. Step 4: Simplify right side
    28,823.04x = 745,500,373.64
  5. Step 5: Solve for x
    x = 745,500,373.64/28,823.04
  6. Step 6: Final answer
    x = 25,864.74

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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.