Home / 19,468.18-26,866.18-10,970.40

Finding the Fourth Proportional to 19,468.18, 26,866.18 and 10,970.40

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Solution

The fourth proportional to 19,468.18, 26,866.18 and 10,970.40 is: 15,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,468.18 : 26,866.18 = 10,970.40 : x
  2. Step 2: Convert to fraction form
    19,468.18/26,866.18 = 10,970.40/x
  3. Step 3: Cross multiply
    19,468.18x = 26,866.18 × 10,970.40
  4. Step 4: Simplify right side
    19,468.18x = 294,732,741.07
  5. Step 5: Solve for x
    x = 294,732,741.07/19,468.18
  6. Step 6: Final answer
    x = 15,139.20

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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.