Home / 18,506.59-25,539.02-10,008.72

Finding the Fourth Proportional to 18,506.59, 25,539.02 and 10,008.72

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Solution

The fourth proportional to 18,506.59, 25,539.02 and 10,008.72 is: 13,812.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,506.59 : 25,539.02 = 10,008.72 : x
  2. Step 2: Convert to fraction form
    18,506.59/25,539.02 = 10,008.72/x
  3. Step 3: Cross multiply
    18,506.59x = 25,539.02 × 10,008.72
  4. Step 4: Simplify right side
    18,506.59x = 255,612,987.72
  5. Step 5: Solve for x
    x = 255,612,987.72/18,506.59
  6. Step 6: Final answer
    x = 13,812.00

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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.