Home / 52,430.07-78,657.56-16,894.74

Finding the Fourth Proportional to 52,430.07, 78,657.56 and 16,894.74

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Solution

The fourth proportional to 52,430.07, 78,657.56 and 16,894.74 is: 25,346.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,430.07 : 78,657.56 = 16,894.74 : x
  2. Step 2: Convert to fraction form
    52,430.07/78,657.56 = 16,894.74/x
  3. Step 3: Cross multiply
    52,430.07x = 78,657.56 × 16,894.74
  4. Step 4: Simplify right side
    52,430.07x = 1,328,899,025.23
  5. Step 5: Solve for x
    x = 1,328,899,025.23/52,430.07
  6. Step 6: Final answer
    x = 25,346.12

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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.