Home / 19,531.18-26,953.08-10,578.70

Finding the Fourth Proportional to 19,531.18, 26,953.08 and 10,578.70

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Solution

The fourth proportional to 19,531.18, 26,953.08 and 10,578.70 is: 14,598.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,531.18 : 26,953.08 = 10,578.70 : x
  2. Step 2: Convert to fraction form
    19,531.18/26,953.08 = 10,578.70/x
  3. Step 3: Cross multiply
    19,531.18x = 26,953.08 × 10,578.70
  4. Step 4: Simplify right side
    19,531.18x = 285,128,547.40
  5. Step 5: Solve for x
    x = 285,128,547.40/19,531.18
  6. Step 6: Final answer
    x = 14,598.63

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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.