Home / 18,981.51-26,196.06-10,484.40

Finding the Fourth Proportional to 18,981.51, 26,196.06 and 10,484.40

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Solution

The fourth proportional to 18,981.51, 26,196.06 and 10,484.40 is: 14,469.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,981.51 : 26,196.06 = 10,484.40 : x
  2. Step 2: Convert to fraction form
    18,981.51/26,196.06 = 10,484.40/x
  3. Step 3: Cross multiply
    18,981.51x = 26,196.06 × 10,484.40
  4. Step 4: Simplify right side
    18,981.51x = 274,650,050.04
  5. Step 5: Solve for x
    x = 274,650,050.04/18,981.51
  6. Step 6: Final answer
    x = 14,469.35

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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.