Home / 25,688.48-35,439.60-17,307.68

Finding the Fourth Proportional to 25,688.48, 35,439.60 and 17,307.68

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Solution

The fourth proportional to 25,688.48, 35,439.60 and 17,307.68 is: 23,877.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,688.48 : 35,439.60 = 17,307.68 : x
  2. Step 2: Convert to fraction form
    25,688.48/35,439.60 = 17,307.68/x
  3. Step 3: Cross multiply
    25,688.48x = 35,439.60 × 17,307.68
  4. Step 4: Simplify right side
    25,688.48x = 613,377,256.13
  5. Step 5: Solve for x
    x = 613,377,256.13/25,688.48
  6. Step 6: Final answer
    x = 23,877.52

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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.