Home / 18,733.02-25,792.47-15,207.90

Finding the Fourth Proportional to 18,733.02, 25,792.47 and 15,207.90

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Solution

The fourth proportional to 18,733.02, 25,792.47 and 15,207.90 is: 20,938.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,733.02 : 25,792.47 = 15,207.90 : x
  2. Step 2: Convert to fraction form
    18,733.02/25,792.47 = 15,207.90/x
  3. Step 3: Cross multiply
    18,733.02x = 25,792.47 × 15,207.90
  4. Step 4: Simplify right side
    18,733.02x = 392,249,304.51
  5. Step 5: Solve for x
    x = 392,249,304.51/18,733.02
  6. Step 6: Final answer
    x = 20,938.93

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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.