Home / 18,746.04-25,870.76-10,788.12

Finding the Fourth Proportional to 18,746.04, 25,870.76 and 10,788.12

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Solution

The fourth proportional to 18,746.04, 25,870.76 and 10,788.12 is: 14,888.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,746.04 : 25,870.76 = 10,788.12 : x
  2. Step 2: Convert to fraction form
    18,746.04/25,870.76 = 10,788.12/x
  3. Step 3: Cross multiply
    18,746.04x = 25,870.76 × 10,788.12
  4. Step 4: Simplify right side
    18,746.04x = 279,096,863.37
  5. Step 5: Solve for x
    x = 279,096,863.37/18,746.04
  6. Step 6: Final answer
    x = 14,888.31

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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.