Home / 23,486.10-32,412.86-12,877.80

Finding the Fourth Proportional to 23,486.10, 32,412.86 and 12,877.80

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Solution

The fourth proportional to 23,486.10, 32,412.86 and 12,877.80 is: 17,772.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,486.10 : 32,412.86 = 12,877.80 : x
  2. Step 2: Convert to fraction form
    23,486.10/32,412.86 = 12,877.80/x
  3. Step 3: Cross multiply
    23,486.10x = 32,412.86 × 12,877.80
  4. Step 4: Simplify right side
    23,486.10x = 417,406,328.51
  5. Step 5: Solve for x
    x = 417,406,328.51/23,486.10
  6. Step 6: Final answer
    x = 17,772.48

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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.