Home / 26,702.18-36,848.10-15,370.10

Finding the Fourth Proportional to 26,702.18, 36,848.10 and 15,370.10

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Solution

The fourth proportional to 26,702.18, 36,848.10 and 15,370.10 is: 21,210.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,702.18 : 36,848.10 = 15,370.10 : x
  2. Step 2: Convert to fraction form
    26,702.18/36,848.10 = 15,370.10/x
  3. Step 3: Cross multiply
    26,702.18x = 36,848.10 × 15,370.10
  4. Step 4: Simplify right side
    26,702.18x = 566,358,981.81
  5. Step 5: Solve for x
    x = 566,358,981.81/26,702.18
  6. Step 6: Final answer
    x = 21,210.22

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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.