Home / 32,860.90-45,352.74-18,715.06

Finding the Fourth Proportional to 32,860.90, 45,352.74 and 18,715.06

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Solution

The fourth proportional to 32,860.90, 45,352.74 and 18,715.06 is: 25,829.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,860.90 : 45,352.74 = 18,715.06 : x
  2. Step 2: Convert to fraction form
    32,860.90/45,352.74 = 18,715.06/x
  3. Step 3: Cross multiply
    32,860.90x = 45,352.74 × 18,715.06
  4. Step 4: Simplify right side
    32,860.90x = 848,779,250.26
  5. Step 5: Solve for x
    x = 848,779,250.26/32,860.90
  6. Step 6: Final answer
    x = 25,829.46

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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.