Home / 18,955.68-26,159.04-10,458.12

Finding the Fourth Proportional to 18,955.68, 26,159.04 and 10,458.12

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Solution

The fourth proportional to 18,955.68, 26,159.04 and 10,458.12 is: 14,432.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,955.68 : 26,159.04 = 10,458.12 : x
  2. Step 2: Convert to fraction form
    18,955.68/26,159.04 = 10,458.12/x
  3. Step 3: Cross multiply
    18,955.68x = 26,159.04 × 10,458.12
  4. Step 4: Simplify right side
    18,955.68x = 273,574,379.40
  5. Step 5: Solve for x
    x = 273,574,379.40/18,955.68
  6. Step 6: Final answer
    x = 14,432.32

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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.