Home / 25,798.86-38,688.57-11,000.16

Finding the Fourth Proportional to 25,798.86, 38,688.57 and 11,000.16

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Solution

The fourth proportional to 25,798.86, 38,688.57 and 11,000.16 is: 16,496.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,798.86 : 38,688.57 = 11,000.16 : x
  2. Step 2: Convert to fraction form
    25,798.86/38,688.57 = 11,000.16/x
  3. Step 3: Cross multiply
    25,798.86x = 38,688.57 × 11,000.16
  4. Step 4: Simplify right side
    25,798.86x = 425,580,460.17
  5. Step 5: Solve for x
    x = 425,580,460.17/25,798.86
  6. Step 6: Final answer
    x = 16,496.10

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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.