Home / 18,397.09-25,339.62-14,140.00

Finding the Fourth Proportional to 18,397.09, 25,339.62 and 14,140.00

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Solution

The fourth proportional to 18,397.09, 25,339.62 and 14,140.00 is: 19,476.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397.09 : 25,339.62 = 14,140.00 : x
  2. Step 2: Convert to fraction form
    18,397.09/25,339.62 = 14,140.00/x
  3. Step 3: Cross multiply
    18,397.09x = 25,339.62 × 14,140.00
  4. Step 4: Simplify right side
    18,397.09x = 358,302,303.23
  5. Step 5: Solve for x
    x = 358,302,303.23/18,397.09
  6. Step 6: Final answer
    x = 19,476.04

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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.