Home / 32,881.90-45,376.10-18,541.60

Finding the Fourth Proportional to 32,881.90, 45,376.10 and 18,541.60

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Solution

The fourth proportional to 32,881.90, 45,376.10 and 18,541.60 is: 25,586.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,881.90 : 45,376.10 = 18,541.60 : x
  2. Step 2: Convert to fraction form
    32,881.90/45,376.10 = 18,541.60/x
  3. Step 3: Cross multiply
    32,881.90x = 45,376.10 × 18,541.60
  4. Step 4: Simplify right side
    32,881.90x = 841,345,495.76
  5. Step 5: Solve for x
    x = 841,345,495.76/32,881.90
  6. Step 6: Final answer
    x = 25,586.89

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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.