Home / 19,155.98-26,434.74-10,657.67

Finding the Fourth Proportional to 19,155.98, 26,434.74 and 10,657.67

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Solution

The fourth proportional to 19,155.98, 26,434.74 and 10,657.67 is: 14,707.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,155.98 : 26,434.74 = 10,657.67 : x
  2. Step 2: Convert to fraction form
    19,155.98/26,434.74 = 10,657.67/x
  3. Step 3: Cross multiply
    19,155.98x = 26,434.74 × 10,657.67
  4. Step 4: Simplify right side
    19,155.98x = 281,732,603.28
  5. Step 5: Solve for x
    x = 281,732,603.28/19,155.98
  6. Step 6: Final answer
    x = 14,707.30

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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.