Home / 17,705.40-26,526.10-10,303.80

Finding the Fourth Proportional to 17,705.40, 26,526.10 and 10,303.80

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Solution

The fourth proportional to 17,705.40, 26,526.10 and 10,303.80 is: 15,437.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,705.40 : 26,526.10 = 10,303.80 : x
  2. Step 2: Convert to fraction form
    17,705.40/26,526.10 = 10,303.80/x
  3. Step 3: Cross multiply
    17,705.40x = 26,526.10 × 10,303.80
  4. Step 4: Simplify right side
    17,705.40x = 273,319,629.18
  5. Step 5: Solve for x
    x = 273,319,629.18/17,705.40
  6. Step 6: Final answer
    x = 15,437.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.