Home / 19,307.52-26,657.28-13,017.60

Finding the Fourth Proportional to 19,307.52, 26,657.28 and 13,017.60

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Solution

The fourth proportional to 19,307.52, 26,657.28 and 13,017.60 is: 17,972.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,307.52 : 26,657.28 = 13,017.60 : x
  2. Step 2: Convert to fraction form
    19,307.52/26,657.28 = 13,017.60/x
  3. Step 3: Cross multiply
    19,307.52x = 26,657.28 × 13,017.60
  4. Step 4: Simplify right side
    19,307.52x = 347,013,808.13
  5. Step 5: Solve for x
    x = 347,013,808.13/19,307.52
  6. Step 6: Final answer
    x = 17,972.99

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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.