Home / 18,370.93-25,364.40-12,330.23

Finding the Fourth Proportional to 18,370.93, 25,364.40 and 12,330.23

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Solution

The fourth proportional to 18,370.93, 25,364.40 and 12,330.23 is: 17,024.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,370.93 : 25,364.40 = 12,330.23 : x
  2. Step 2: Convert to fraction form
    18,370.93/25,364.40 = 12,330.23/x
  3. Step 3: Cross multiply
    18,370.93x = 25,364.40 × 12,330.23
  4. Step 4: Simplify right side
    18,370.93x = 312,748,808.16
  5. Step 5: Solve for x
    x = 312,748,808.16/18,370.93
  6. Step 6: Final answer
    x = 17,024.12

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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.